From: Ben Gras <ben@minix3.org>
Date: Sun, 11 Sep 2005 17:09:11 +0000 (+0000)
Subject: Andy's code fixes
X-Git-Tag: v3.1.0~128
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/dnssec-revoke.html?a=commitdiff_plain;h=e3709af1b8d357a68ceaa68ed74d626e2f78d927;p=minix.git

Andy's code fixes
---

diff --git a/drivers/at_wini/at_wini.c b/drivers/at_wini/at_wini.c
index 1d504dd2b..34402e267 100644
--- a/drivers/at_wini/at_wini.c
+++ b/drivers/at_wini/at_wini.c
@@ -164,10 +164,10 @@ struct command {
 #define SUB_PER_DRIVE	(NR_PARTITIONS * NR_PARTITIONS)
 #define NR_SUBDEVS	(MAX_DRIVES * SUB_PER_DRIVE)
 #define DELAY_USECS     1000	/* controller timeout in microseconds */
-#define DELAY_TICKS 	1	/* controller timeout in ticks */
+#define DELAY_TICKS 	   1	/* controller timeout in ticks */
 #define DEF_TIMEOUT_TICKS 	300	/* controller timeout in ticks */
-#define RECOVERY_USECS  500000	/* controller recovery time in microseconds */
-#define RECOVERY_TICKS  30	/* controller recovery time in ticks */
+#define RECOVERY_USECS 500000	/* controller recovery time in microseconds */
+#define RECOVERY_TICKS    30	/* controller recovery time in ticks */
 #define INITIALIZED	0x01	/* drive is initialized */
 #define DEAF		0x02	/* controller must be reset */
 #define SMART		0x04	/* drive supports ATA commands */
@@ -231,37 +231,37 @@ PRIVATE int w_drive;			/* selected drive */
 PRIVATE int w_controller;		/* selected controller */
 PRIVATE struct device *w_dv;		/* device's base and size */
 
-FORWARD _PROTOTYPE( void init_params, (void) );
+FORWARD _PROTOTYPE( void init_params, (void) 				);
 FORWARD _PROTOTYPE( void init_drive, (struct wini *, int, int, int, int, int, int));
-FORWARD _PROTOTYPE( void init_params_pci, (int) );
-FORWARD _PROTOTYPE( int w_do_open, (struct driver *dp, message *m_ptr) );
-FORWARD _PROTOTYPE( struct device *w_prepare, (int dev) );
-FORWARD _PROTOTYPE( int w_identify, (void) );
-FORWARD _PROTOTYPE( char *w_name, (void) );
-FORWARD _PROTOTYPE( int w_specify, (void) );
-FORWARD _PROTOTYPE( int w_io_test, (void) );
+FORWARD _PROTOTYPE( void init_params_pci, (int) 			);
+FORWARD _PROTOTYPE( int w_do_open, (struct driver *dp, message *m_ptr) 	);
+FORWARD _PROTOTYPE( struct device *w_prepare, (int dev) 		);
+FORWARD _PROTOTYPE( int w_identify, (void) 				);
+FORWARD _PROTOTYPE( char *w_name, (void) 				);
+FORWARD _PROTOTYPE( int w_specify, (void) 				);
+FORWARD _PROTOTYPE( int w_io_test, (void) 				);
 FORWARD _PROTOTYPE( int w_transfer, (int proc_nr, int opcode, off_t position,
-					iovec_t *iov, unsigned nr_req) );
-FORWARD _PROTOTYPE( int com_out, (struct command *cmd) );
-FORWARD _PROTOTYPE( void w_need_reset, (void) );
-FORWARD _PROTOTYPE( void ack_irqs, (unsigned int) );
+					iovec_t *iov, unsigned nr_req) 	);
+FORWARD _PROTOTYPE( int com_out, (struct command *cmd) 			);
+FORWARD _PROTOTYPE( void w_need_reset, (void) 				);
+FORWARD _PROTOTYPE( void ack_irqs, (unsigned int) 			);
 FORWARD _PROTOTYPE( int w_do_close, (struct driver *dp, message *m_ptr) );
-FORWARD _PROTOTYPE( int w_other, (struct driver *dp, message *m_ptr) );
-FORWARD _PROTOTYPE( int w_hw_int, (struct driver *dp, message *m_ptr) );
-FORWARD _PROTOTYPE( int com_simple, (struct command *cmd) );
-FORWARD _PROTOTYPE( void w_timeout, (void) );
-FORWARD _PROTOTYPE( int w_reset, (void) );
-FORWARD _PROTOTYPE( void w_intr_wait, (void) );
-FORWARD _PROTOTYPE( int at_intr_wait, (void) );
-FORWARD _PROTOTYPE( int w_waitfor, (int mask, int value) );
-FORWARD _PROTOTYPE( void w_geometry, (struct partition *entry) );
+FORWARD _PROTOTYPE( int w_other, (struct driver *dp, message *m_ptr) 	);
+FORWARD _PROTOTYPE( int w_hw_int, (struct driver *dp, message *m_ptr) 	);
+FORWARD _PROTOTYPE( int com_simple, (struct command *cmd) 		);
+FORWARD _PROTOTYPE( void w_timeout, (void) 				);
+FORWARD _PROTOTYPE( int w_reset, (void) 				);
+FORWARD _PROTOTYPE( void w_intr_wait, (void) 				);
+FORWARD _PROTOTYPE( int at_intr_wait, (void) 				);
+FORWARD _PROTOTYPE( int w_waitfor, (int mask, int value) 		);
+FORWARD _PROTOTYPE( void w_geometry, (struct partition *entry) 		);
 #if ENABLE_ATAPI
-FORWARD _PROTOTYPE( int atapi_sendpacket, (u8_t *packet, unsigned cnt) );
-FORWARD _PROTOTYPE( int atapi_intr_wait, (void) );
-FORWARD _PROTOTYPE( int atapi_open, (void) );
-FORWARD _PROTOTYPE( void atapi_close, (void) );
+FORWARD _PROTOTYPE( int atapi_sendpacket, (u8_t *packet, unsigned cnt) 	);
+FORWARD _PROTOTYPE( int atapi_intr_wait, (void) 			);
+FORWARD _PROTOTYPE( int atapi_open, (void) 				);
+FORWARD _PROTOTYPE( void atapi_close, (void) 				);
 FORWARD _PROTOTYPE( int atapi_transfer, (int proc_nr, int opcode,
-			off_t position, iovec_t *iov, unsigned nr_req) );
+			off_t position, iovec_t *iov, unsigned nr_req) 	);
 #endif
 
 /* Entry points to this driver. */
@@ -293,9 +293,9 @@ PUBLIC int main()
   return(OK);
 }
 
-/*============================================================================*
- *				init_params				      *
- *============================================================================*/
+/*===========================================================================*
+ *				init_params				     *
+ *===========================================================================*/
 PRIVATE void init_params()
 {
 /* This routine is called at startup to initialize the drive parameters. */
@@ -314,7 +314,7 @@ PRIVATE void init_params()
   env_parse("ata_lba48", "d", 0, &w_lba48, 0, 1);
   env_parse("atapi_debug", "d", 0, &atapi_debug, 0, 1);
 
-  if(w_instance == 0) {
+  if (w_instance == 0) {
 	  /* Get the number of drives from the BIOS data area */
 	  if ((s=sys_vircopy(SELF, BIOS_SEG, NR_HD_DRIVES_ADDR, 
  		 	SELF, D, (vir_bytes) params, NR_HD_DRIVES_SIZE)) != OK)
@@ -355,7 +355,7 @@ PRIVATE void init_params()
   /* Look for controllers on the pci bus. Skip none the first instance,
    * skip one and then 2 for every instance, for every next instance.
    */
-  if(w_instance == 0)
+  if (w_instance == 0)
   	init_params_pci(0);
   else
   	init_params_pci(w_instance*2-1);
@@ -365,9 +365,9 @@ PRIVATE void init_params()
 #define ATA_IF_NOTCOMPAT1 (1L << 0)
 #define ATA_IF_NOTCOMPAT2 (1L << 2)
 
-/*============================================================================*
- *				init_drive				      *
- *============================================================================*/
+/*===========================================================================*
+ *				init_drive				     *
+ *===========================================================================*/
 PRIVATE void init_drive(struct wini *w, int base_cmd, int base_ctl, int irq, int ack, int hook, int drive)
 {
 	w->state = 0;
@@ -383,9 +383,9 @@ PRIVATE void init_drive(struct wini *w, int base_cmd, int base_ctl, int irq, int
 	w->lba48 = 0;
 }
 
-/*============================================================================*
- *				init_params_pci				      *
- *============================================================================*/
+/*===========================================================================*
+ *				init_params_pci				     *
+ *===========================================================================*/
 PRIVATE void init_params_pci(int skip)
 {
   int r, devind, drive;
@@ -399,7 +399,7 @@ PRIVATE void init_params_pci(int skip)
   	/* Base class must be 01h (mass storage), subclass must
   	 * be 01h (ATA).
   	 */
-  	if(pci_attr_r8(devind, PCI_BCR) != 0x01 ||
+  	if (pci_attr_r8(devind, PCI_BCR) != 0x01 ||
   	   pci_attr_r8(devind, PCI_SCR) != 0x01) {
   	   continue;
   	}
@@ -410,11 +410,11 @@ PRIVATE void init_params_pci(int skip)
   	irq = pci_attr_r8(devind, PCI_ILR);
 
   	/* Any non-compat drives? */
-  	if(interface & (ATA_IF_NOTCOMPAT1 | ATA_IF_NOTCOMPAT2)) {
+  	if (interface & (ATA_IF_NOTCOMPAT1 | ATA_IF_NOTCOMPAT2)) {
   		int s;
   		irq_hook = irq;
-  		if(skip > 0) {
-  			if(w_pci_debug) printf("atapci skipping controller (remain %d)\n", skip);
+  		if (skip > 0) {
+  			if (w_pci_debug) printf("atapci skipping controller (remain %d)\n", skip);
   			skip--;
   			continue;
   		}
@@ -430,36 +430,36 @@ PRIVATE void init_params_pci(int skip)
   		/* If not.. this is not the ata-pci controller we're
   		 * looking for.
   		 */
-  		if(w_pci_debug) printf("atapci skipping compatability controller\n");
+  		if (w_pci_debug) printf("atapci skipping compatability controller\n");
   		continue;
   	}
 
   	/* Primary channel not in compatability mode? */
-  	if(interface & ATA_IF_NOTCOMPAT1) {
+  	if (interface & ATA_IF_NOTCOMPAT1) {
   		u32_t base_cmd, base_ctl;
   		base_cmd = pci_attr_r32(devind, PCI_BAR) & 0xffffffe0;
   		base_ctl = pci_attr_r32(devind, PCI_BAR_2) & 0xffffffe0;
-  		if(base_cmd != REG_CMD_BASE0 && base_cmd != REG_CMD_BASE1) {
+  		if (base_cmd != REG_CMD_BASE0 && base_cmd != REG_CMD_BASE1) {
 	  		init_drive(&wini[w_next_drive],
 	  			base_cmd, base_ctl, irq, 1, irq_hook, 0);
   			init_drive(&wini[w_next_drive+1],
   				base_cmd, base_ctl, irq, 1, irq_hook, 1);
-	  		if(w_pci_debug)
+	  		if (w_pci_debug)
 		  		printf("atapci %d: 0x%x 0x%x irq %d\n", devind, base_cmd, base_ctl, irq);
   		} else printf("atapci: ignored drives on primary channel, base %x\n", base_cmd);
   	}
 
   	/* Secondary channel not in compatability mode? */
-  	if(interface & ATA_IF_NOTCOMPAT2) {
+  	if (interface & ATA_IF_NOTCOMPAT2) {
   		u32_t base_cmd, base_ctl;
   		base_cmd = pci_attr_r32(devind, PCI_BAR_3) & 0xffffffe0;
   		base_ctl = pci_attr_r32(devind, PCI_BAR_4) & 0xffffffe0;
-  		if(base_cmd != REG_CMD_BASE0 && base_cmd != REG_CMD_BASE1) {
+  		if (base_cmd != REG_CMD_BASE0 && base_cmd != REG_CMD_BASE1) {
   			init_drive(&wini[w_next_drive+2],
   				base_cmd, base_ctl, irq, 1, irq_hook, 2);
 	  		init_drive(&wini[w_next_drive+3],
 	  			base_cmd, base_ctl, irq, 1, irq_hook, 3);
-	  		if(w_pci_debug)
+	  		if (w_pci_debug)
   				printf("atapci %d: 0x%x 0x%x irq %d\n", devind, base_cmd, base_ctl, irq);
   		} else printf("atapci: ignored drives on secondary channel, base %x\n", base_cmd);
   	}
@@ -467,9 +467,9 @@ PRIVATE void init_params_pci(int skip)
   }
 }
 
-/*============================================================================*
- *				w_do_open				      *
- *============================================================================*/
+/*===========================================================================*
+ *				w_do_open				     *
+ *===========================================================================*/
 PRIVATE int w_do_open(dp, m_ptr)
 struct driver *dp;
 message *m_ptr;
@@ -503,7 +503,7 @@ message *m_ptr;
 	   * due to no CD being in the drive). If it fails, ignore
 	   * the device forever.
 	   */
-	  if(!(wn->state & ATAPI) && w_io_test() != OK) {
+	  if (!(wn->state & ATAPI) && w_io_test() != OK) {
   		wn->state |= IGNORING;
 	  	return(ENXIO);
 	  }
@@ -618,9 +618,9 @@ PRIVATE int w_identify()
 		wn->ldhpref |= LDH_LBA;
 		size = id_longword(60);
 
-		if(w_lba48 && ((id_word(83)) & (1L << 10))) {
+		if (w_lba48 && ((id_word(83)) & (1L << 10))) {
 			/* Drive is LBA48 capable (and LBA48 is turned on). */
-			if(id_word(102) || id_word(103)) {
+			if (id_word(102) || id_word(103)) {
 				/* If no. of sectors doesn't fit in 32 bits,
 				 * trunacte to this. So it's LBA32 for now.
 				 * This can still address devices up to 2TB
@@ -680,7 +680,7 @@ PRIVATE int w_identify()
   	return(ERR);
   }
 
-  if(wn->irq == NO_IRQ) {
+  if (wn->irq == NO_IRQ) {
 	  /* Everything looks OK; register IRQ so we can stop polling. */
 	  wn->irq = w_drive < 2 ? AT_WINI_0_IRQ : AT_WINI_1_IRQ;
 	  wn->irq_hook_id = wn->irq;	/* id to be returned if interrupt occurs */
@@ -728,7 +728,7 @@ PRIVATE int w_io_test(void)
 	save_errors = max_errors;
 	save_wakeup = wakeup_ticks;
 
-	if(!w_standard_timeouts) {
+	if (!w_standard_timeouts) {
 		timeout_ticks = HZ * 4;
 		wakeup_ticks = HZ * 6;
 		max_errors = 3;
@@ -737,13 +737,13 @@ PRIVATE int w_io_test(void)
 	w_testing = 1;
 
 	/* Try I/O on the actual drive (not any (sub)partition). */
- 	if(w_prepare(w_drive * DEV_PER_DRIVE) == NIL_DEV)
+ 	if (w_prepare(w_drive * DEV_PER_DRIVE) == NIL_DEV)
  		panic(w_name(), "Couldn't switch devices", NO_NUM);
 
 	r = w_transfer(SELF, DEV_GATHER, 0, &iov, 1);
 
 	/* Switch back. */
- 	if(w_prepare(save_dev) == NIL_DEV)
+ 	if (w_prepare(save_dev) == NIL_DEV)
  		panic(w_name(), "Couldn't switch back devices", NO_NUM);
 
  	/* Restore parameters. */
@@ -753,7 +753,7 @@ PRIVATE int w_io_test(void)
 	w_testing = 0;
 
  	/* Test if everything worked. */
-	if(r != OK || iov.iov_size != 0) {
+	if (r != OK || iov.iov_size != 0) {
 		return ERR;
 	}
 
@@ -942,9 +942,9 @@ unsigned nr_req;		/* length of request vector */
   return(OK);
 }
 
-/*============================================================================*
- *				com_out					      *
- *============================================================================*/
+/*===========================================================================*
+ *				com_out					     *
+ *===========================================================================*/
 PRIVATE int com_out(cmd)
 struct command *cmd;		/* Command block */
 {
@@ -956,7 +956,7 @@ struct command *cmd;		/* Command block */
   pvb_pair_t outbyte[7];		/* vector for sys_voutb() */
   int s;				/* status for sys_(v)outb() */
 
-  if(w_wn->state & IGNORING) return ERR;
+  if (w_wn->state & IGNORING) return ERR;
 
   if (!w_waitfor(STATUS_BSY, 0)) {
 	printf("%s: controller not ready\n", w_name());
@@ -1011,9 +1011,9 @@ PRIVATE void w_need_reset()
   }
 }
 
-/*============================================================================*
- *				w_do_close				      *
- *============================================================================*/
+/*===========================================================================*
+ *				w_do_close				     *
+ *===========================================================================*/
 PRIVATE int w_do_close(dp, m_ptr)
 struct driver *dp;
 message *m_ptr;
@@ -1028,16 +1028,16 @@ message *m_ptr;
   return(OK);
 }
 
-/*============================================================================*
- *				com_simple				      *
- *============================================================================*/
+/*===========================================================================*
+ *				com_simple				     *
+ *===========================================================================*/
 PRIVATE int com_simple(cmd)
 struct command *cmd;		/* Command block */
 {
 /* A simple controller command, only one interrupt and no data-out phase. */
   int r;
 
-  if(w_wn->state & IGNORING) return ERR;
+  if (w_wn->state & IGNORING) return ERR;
 
   if ((r = com_out(cmd)) == OK) r = at_intr_wait();
   w_command = CMD_IDLE;
@@ -1067,8 +1067,8 @@ PRIVATE void w_timeout(void)
 	/*FALL THROUGH*/
   default:
 	/* Some other command. */
-	if(w_testing)  wn->state |= IGNORING;	/* Kick out this drive. */
-	else if(!w_silent) printf("%s: timeout on command %02x\n", w_name(), w_command);
+	if (w_testing)  wn->state |= IGNORING;	/* Kick out this drive. */
+	else if (!w_silent) printf("%s: timeout on command %02x\n", w_name(), w_command);
 	w_need_reset();
 	wn->w_status = 0;
   }
@@ -1086,7 +1086,7 @@ PRIVATE int w_reset()
   struct wini *wn = w_wn;
 
   /* Don't bother if this drive is forgotten. */
-  if(w_wn->state & IGNORING) return ERR;
+  if (w_wn->state & IGNORING) return ERR;
 
   /* Wait for any internal drive recovery. */
   tickdelay(RECOVERY_TICKS);
@@ -1121,9 +1121,9 @@ PRIVATE int w_reset()
   return(OK);
 }
 
-/*============================================================================*
- *				w_intr_wait				      *
- *============================================================================*/
+/*===========================================================================*
+ *				w_intr_wait				     *
+ *===========================================================================*/
 PRIVATE void w_intr_wait()
 {
 /* Wait for a task completion interrupt. */
@@ -1150,9 +1150,9 @@ PRIVATE void w_intr_wait()
   }
 }
 
-/*============================================================================*
- *				at_intr_wait				      *
- *============================================================================*/
+/*===========================================================================*
+ *				at_intr_wait				     *
+ *===========================================================================*/
 PRIVATE int at_intr_wait()
 {
 /* Wait for an interrupt, study the status bits and return error/success. */
@@ -1175,9 +1175,9 @@ PRIVATE int at_intr_wait()
   return(r);
 }
 
-/*==========================================================================*
- *				w_waitfor				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				w_waitfor				     *
+ *===========================================================================*/
 PRIVATE int w_waitfor(mask, value)
 int mask;			/* status mask */
 int value;			/* required status */
@@ -1203,9 +1203,9 @@ int value;			/* required status */
   return(0);
 }
 
-/*============================================================================*
- *				w_geometry				      *
- *============================================================================*/
+/*===========================================================================*
+ *				w_geometry				     *
+ *===========================================================================*/
 PRIVATE void w_geometry(entry)
 struct partition *entry;
 {
@@ -1264,7 +1264,7 @@ void sense_request(void)
 	for(i = 0; i < SENSE_PACKETSIZE; i++) sense[i] = 0xff;
 	r = atapi_sendpacket(packet, SENSE_PACKETSIZE);
 	if (r != OK) { printf("request sense command failed\n"); return; }
-	if(atapi_intr_wait() <= 0) { printf("WARNING: request response failed\n"); }
+	if (atapi_intr_wait() <= 0) { printf("WARNING: request response failed\n"); }
 
 	if (sys_insw(w_wn->base_cmd + REG_DATA, SELF, (void *) sense, SENSE_PACKETSIZE) != OK)
 		printf("WARNING: sense reading failed\n");
@@ -1394,13 +1394,13 @@ unsigned nr_req;		/* length of request vector */
 
 	if (r < 0) {
   err:		/* Don't retry if too many errors. */
-		if(atapi_debug) sense_request();
+		if (atapi_debug) sense_request();
 		if (++errors == max_errors) {
 			w_command = CMD_IDLE;
-			if(atapi_debug) printf("giving up (%d)\n", errors);
+			if (atapi_debug) printf("giving up (%d)\n", errors);
 			return(EIO);
 		}
-		if(atapi_debug) printf("retry (%d)\n", errors);
+		if (atapi_debug) printf("retry (%d)\n", errors);
 	}
   }
 
@@ -1420,7 +1420,7 @@ unsigned cnt;
   pvb_pair_t outbyte[6];		/* vector for sys_voutb() */
   int s;
 
-  if(wn->state & IGNORING) return ERR;
+  if (wn->state & IGNORING) return ERR;
 
   /* Select Master/Slave drive */
   if ((s=sys_outb(wn->base_cmd + REG_DRIVE, wn->ldhpref)) != OK)
@@ -1450,7 +1450,7 @@ unsigned cnt;
   pv_set(outbyte[3], wn->base_cmd + REG_CNT_LO, (cnt >> 0) & 0xFF);
   pv_set(outbyte[4], wn->base_cmd + REG_CNT_HI, (cnt >> 8) & 0xFF);
   pv_set(outbyte[5], wn->base_cmd + REG_COMMAND, w_command);
-  if(atapi_debug) printf("cmd: %x  ", w_command);
+  if (atapi_debug) printf("cmd: %x  ", w_command);
   if ((s=sys_voutb(outbyte,6)) != OK)
   	panic(w_name(),"Couldn't write registers with sys_voutb()",s);
 
@@ -1466,7 +1466,7 @@ unsigned cnt;
 
  {
  int p;
- if(atapi_debug) {
+ if (atapi_debug) {
  	printf("sent command:");
 	 for(p = 0; p < ATAPI_PACKETSIZE; p++) { printf(" %02x", packet[p]); }
 	 printf("\n");
@@ -1475,36 +1475,36 @@ unsigned cnt;
   return(OK);
 }
 
-/*============================================================================*
- *				w_other					      *
- *============================================================================*/
+/*===========================================================================*
+ *				w_other					     *
+ *===========================================================================*/
 PRIVATE int w_other(dr, m)
 struct driver *dr;
 message *m;
 {
 	int r, timeout, prev;
 
-	if(m->m_type != DEV_IOCTL ) {
+	if (m->m_type != DEV_IOCTL ) {
 		return EINVAL;
 	}
 
-	if(m->REQUEST == DIOCTIMEOUT) {
-		if((r=sys_datacopy(m->PROC_NR, (vir_bytes)m->ADDRESS,
+	if (m->REQUEST == DIOCTIMEOUT) {
+		if ((r=sys_datacopy(m->PROC_NR, (vir_bytes)m->ADDRESS,
 			SELF, (vir_bytes)&timeout, sizeof(timeout))) != OK)
 			return r;
 	
-		if(timeout == 0) {
+		if (timeout == 0) {
 			/* Restore defaults. */
 			timeout_ticks = DEF_TIMEOUT_TICKS;
 			max_errors = MAX_ERRORS;
 			wakeup_ticks = WAKEUP;
 			w_silent = 0;
-		} else if(timeout < 0) {
+		} else if (timeout < 0) {
 			return EINVAL;
 		} else  {
 			prev = wakeup_ticks;
 	
-			if(!w_standard_timeouts) {
+			if (!w_standard_timeouts) {
 				/* Set (lower) timeout, lower error
 				 * tolerance and set silent mode.
 				 */
@@ -1512,21 +1512,21 @@ message *m;
 				max_errors = 3;
 				w_silent = 1;
 	
-				if(timeout_ticks > timeout)
+				if (timeout_ticks > timeout)
 					timeout_ticks = timeout;
 			}
 	
-			if((r=sys_datacopy(SELF, (vir_bytes)&prev, 
+			if ((r=sys_datacopy(SELF, (vir_bytes)&prev, 
 				m->PROC_NR, (vir_bytes)m->ADDRESS, sizeof(prev))) != OK)
 				return r;
 		}
 	
 		return OK;
-	} else  if(m->REQUEST == DIOCOPENCT) {
+	} else  if (m->REQUEST == DIOCOPENCT) {
 		int count;
-		if(w_prepare(m->DEVICE) == NIL_DEV) return ENXIO;
+		if (w_prepare(m->DEVICE) == NIL_DEV) return ENXIO;
 		count = w_wn->open_ct;
-		if((r=sys_datacopy(SELF, (vir_bytes)&count, 
+		if ((r=sys_datacopy(SELF, (vir_bytes)&count, 
 			m->PROC_NR, (vir_bytes)m->ADDRESS, sizeof(count))) != OK)
 			return r;
 		return OK;
@@ -1535,9 +1535,9 @@ message *m;
 }
 
 
-/*============================================================================*
- *				w_hw_int					      *
- *============================================================================*/
+/*===========================================================================*
+ *				w_hw_int				     *
+ *===========================================================================*/
 PRIVATE int w_hw_int(dr, m)
 struct driver *dr;
 message *m;
@@ -1549,16 +1549,16 @@ message *m;
 }
 
 
-/*============================================================================*
- *				ack_irqs					      *
- *============================================================================*/
+/*===========================================================================*
+ *				ack_irqs				     *
+ *===========================================================================*/
 PRIVATE void ack_irqs(unsigned int irqs)
 {
   unsigned int drive;
   for (drive = 0; drive < MAX_DRIVES && irqs; drive++) {
-  	if(!(wini[drive].state & IGNORING) && wini[drive].irq_need_ack &&
+  	if (!(wini[drive].state & IGNORING) && wini[drive].irq_need_ack &&
 		(wini[drive].irq_mask & irqs)) {
-		if(sys_inb((wini[drive].base_cmd + REG_STATUS), &wini[drive].w_status) != OK)
+		if (sys_inb((wini[drive].base_cmd + REG_STATUS), &wini[drive].w_status) != OK)
 		  	printf("couldn't ack irq on drive %d\n", drive);
 	 	if (sys_irqenable(&wini[drive].irq_hook_id) != OK)
 		  	printf("couldn't re-enable drive %d\n", drive);
@@ -1568,8 +1568,8 @@ PRIVATE void ack_irqs(unsigned int irqs)
 }
 
 
-#define STSTR(a) if(status & STATUS_ ## a) { strcat(str, #a); strcat(str, " "); }
-#define ERRSTR(a) if(e & ERROR_ ## a) { strcat(str, #a); strcat(str, " "); }
+#define STSTR(a) if (status & STATUS_ ## a) { strcat(str, #a); strcat(str, " "); }
+#define ERRSTR(a) if (e & ERROR_ ## a) { strcat(str, #a); strcat(str, " "); }
 char *strstatus(int status)
 {
 	static char str[200];
@@ -1600,9 +1600,9 @@ char *strerr(int e)
 	return str;
 }
 
-/*============================================================================*
- *				atapi_intr_wait				      *
- *============================================================================*/
+/*===========================================================================*
+ *				atapi_intr_wait				     *
+ *===========================================================================*/
 PRIVATE int atapi_intr_wait()
 {
 /* Wait for an interrupt and study the results.  Returns a number of bytes
@@ -1635,7 +1635,7 @@ PRIVATE int atapi_intr_wait()
 	printf("wn %p  S=%x=%s E=%02x=%s L=%04x I=%02x\n", wn, wn->w_status, strstatus(wn->w_status), e, strerr(e), len, irr);
 #endif
   if (wn->w_status & (STATUS_BSY | STATUS_CHECK)) {
-	if(atapi_debug) {
+	if (atapi_debug) {
 		printf("atapi fail:  S=%x=%s E=%02x=%s L=%04x I=%02x\n", wn->w_status, strstatus(wn->w_status), e, strerr(e), len, irr);
 	}
   	return ERR;
diff --git a/drivers/at_wini/at_wini.h b/drivers/at_wini/at_wini.h
index 33a77119a..b9d57aabd 100644
--- a/drivers/at_wini/at_wini.h
+++ b/drivers/at_wini/at_wini.h
@@ -4,5 +4,5 @@
 
 _PROTOTYPE(int main, (void));
 
-#define VERBOSE		0	/* display identify messages during boot */
-#define ENABLE_ATAPI	1	/* add ATAPI cd-rom support to driver */
+#define VERBOSE		   0	/* display identify messages during boot */
+#define ENABLE_ATAPI	   1	/* add ATAPI cd-rom support to driver */
diff --git a/drivers/floppy/floppy.c b/drivers/floppy/floppy.c
index a906673a7..f18d90853 100644
--- a/drivers/floppy/floppy.c
+++ b/drivers/floppy/floppy.c
@@ -6,6 +6,7 @@
  *   floppy_task:   main entry when system is brought up
  *
  * Changes:
+ *   Sep 11, 2005   code cleanup (Andy Tanenbaum)
  *   Dec 01, 2004   floppy driver moved to user-space (Jorrit N. Herder)
  *   Sep 15, 2004   sync alarms/ local timer management  (Jorrit N. Herder)
  *   Aug 12, 2003   null seek no interrupt fix  (Mike Haertel)
@@ -239,30 +240,30 @@ PRIVATE timer_t *f_timers;		/* queue of floppy timers */
 PRIVATE clock_t f_next_timeout; 	/* the next timeout time */
 FORWARD _PROTOTYPE( void f_expire_tmrs, (struct driver *dp, message *m_ptr) );
 FORWARD _PROTOTYPE( void f_set_timer, (timer_t *tp, clock_t delta,
-						 tmr_func_t watchdog) );
-FORWARD _PROTOTYPE( void stop_motor, (timer_t *tp) );
-FORWARD _PROTOTYPE( void f_timeout, (timer_t *tp) );
+						 tmr_func_t watchdog) 	);
+FORWARD _PROTOTYPE( void stop_motor, (timer_t *tp) 			);
+FORWARD _PROTOTYPE( void f_timeout, (timer_t *tp) 			);
 
-FORWARD _PROTOTYPE( struct device *f_prepare, (int device) );
-FORWARD _PROTOTYPE( char *f_name, (void) );
-FORWARD _PROTOTYPE( void f_cleanup, (void) );
+FORWARD _PROTOTYPE( struct device *f_prepare, (int device) 		);
+FORWARD _PROTOTYPE( char *f_name, (void) 				);
+FORWARD _PROTOTYPE( void f_cleanup, (void) 				);
 FORWARD _PROTOTYPE( int f_transfer, (int proc_nr, int opcode, off_t position,
-					iovec_t *iov, unsigned nr_req) );
-FORWARD _PROTOTYPE( int dma_setup, (int opcode) );
-FORWARD _PROTOTYPE( void start_motor, (void) );
-FORWARD _PROTOTYPE( int seek, (void) );
-FORWARD _PROTOTYPE( int fdc_transfer, (int opcode) );
-FORWARD _PROTOTYPE( int fdc_results, (void) );
-FORWARD _PROTOTYPE( int fdc_command, (u8_t *cmd, int len) );
-FORWARD _PROTOTYPE( void fdc_out, (int val) );
-FORWARD _PROTOTYPE( int recalibrate, (void) );
-FORWARD _PROTOTYPE( void f_reset, (void) );
-FORWARD _PROTOTYPE( int f_intr_wait, (void) );
-FORWARD _PROTOTYPE( int read_id, (void) );
-FORWARD _PROTOTYPE( int f_do_open, (struct driver *dp, message *m_ptr) );
-FORWARD _PROTOTYPE( void floppy_stop, (struct driver *dp, message *m_ptr) );
-FORWARD _PROTOTYPE( int test_read, (int density) );
-FORWARD _PROTOTYPE( void f_geometry, (struct partition *entry));
+					iovec_t *iov, unsigned nr_req) 	);
+FORWARD _PROTOTYPE( int dma_setup, (int opcode) 			);
+FORWARD _PROTOTYPE( void start_motor, (void) 				);
+FORWARD _PROTOTYPE( int seek, (void) 					);
+FORWARD _PROTOTYPE( int fdc_transfer, (int opcode) 			);
+FORWARD _PROTOTYPE( int fdc_results, (void) 				);
+FORWARD _PROTOTYPE( int fdc_command, (u8_t *cmd, int len) 		);
+FORWARD _PROTOTYPE( void fdc_out, (int val) 				);
+FORWARD _PROTOTYPE( int recalibrate, (void) 				);
+FORWARD _PROTOTYPE( void f_reset, (void) 				);
+FORWARD _PROTOTYPE( int f_intr_wait, (void) 				);
+FORWARD _PROTOTYPE( int read_id, (void) 				);
+FORWARD _PROTOTYPE( int f_do_open, (struct driver *dp, message *m_ptr) 	);
+FORWARD _PROTOTYPE( void floppy_stop, (struct driver *dp, message *m_ptr));
+FORWARD _PROTOTYPE( int test_read, (int density)	 		);
+FORWARD _PROTOTYPE( void f_geometry, (struct partition *entry)		);
 
 /* Entry points to this driver. */
 PRIVATE struct driver f_dtab = {
@@ -561,7 +562,7 @@ unsigned nr_req;		/* length of request vector */
 
 		if (r == OK && opcode == DEV_SCATTER) {
 			/* Copy the user bytes to the DMA buffer. */
-			if((s=sys_datacopy(proc_nr, *up,  SELF, 
+			if ((s=sys_datacopy(proc_nr, *up,  SELF, 
 				(vir_bytes) tmp_buf,
 				(phys_bytes) SECTOR_SIZE)) != OK)
 			panic("FLOPPY", "Sys_vircopy failed", s);
@@ -581,7 +582,7 @@ unsigned nr_req;		/* length of request vector */
 
 		if (r == OK && opcode == DEV_GATHER) {
 			/* Copy the DMA buffer to user space. */
-			if((s=sys_datacopy(SELF, (vir_bytes) tmp_buf, 
+			if ((s=sys_datacopy(SELF, (vir_bytes) tmp_buf, 
 				proc_nr, *up, 
 				(phys_bytes) SECTOR_SIZE)) != OK)
 			panic("FLOPPY", "Sys_vircopy failed", s);
@@ -875,9 +876,9 @@ int opcode;			/* DEV_GATHER or DEV_SCATTER */
   return(OK);
 }
 
-/*==========================================================================*
- *				fdc_results				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				fdc_results				     *
+ *===========================================================================*/
 PRIVATE int fdc_results()
 {
 /* Extract results from the controller after an operation, then allow floppy
@@ -1137,9 +1138,9 @@ timer_t *tp;
   }
 }
 
-/*==========================================================================*
- *				read_id					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				read_id					     *
+ *===========================================================================*/
 PRIVATE int read_id()
 {
 /* Determine current cylinder and sector. */
@@ -1170,9 +1171,9 @@ PRIVATE int read_id()
   return(OK);
 }
 
-/*==========================================================================*
- *				f_do_open				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				f_do_open				     *
+ *===========================================================================*/
 PRIVATE int f_do_open(dp, m_ptr)
 struct driver *dp;
 message *m_ptr;			/* pointer to open message */
@@ -1231,9 +1232,9 @@ message *m_ptr;			/* pointer to open message */
   return(EIO);			/* nothing worked */
 }
 
-/*==========================================================================*
- *				test_read				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				test_read				     *
+ *===========================================================================*/
 PRIVATE int test_read(density)
 int density;
 {
@@ -1261,9 +1262,9 @@ int density;
   return(OK);
 }
 
-/*============================================================================*
- *				f_geometry				      *
- *============================================================================*/
+/*===========================================================================*
+ *				f_geometry				     *
+ *===========================================================================*/
 PRIVATE void f_geometry(entry)
 struct partition *entry;
 {
diff --git a/drivers/memory/memory.c b/drivers/memory/memory.c
index 611010173..bac418040 100644
--- a/drivers/memory/memory.c
+++ b/drivers/memory/memory.c
@@ -33,14 +33,14 @@ PRIVATE struct machine machine;		/* machine information */
 
 extern int errno;			/* error number for PM calls */
 
-FORWARD _PROTOTYPE( char *m_name, (void) );
-FORWARD _PROTOTYPE( struct device *m_prepare, (int device) );
+FORWARD _PROTOTYPE( char *m_name, (void) 				);
+FORWARD _PROTOTYPE( struct device *m_prepare, (int device) 		);
 FORWARD _PROTOTYPE( int m_transfer, (int proc_nr, int opcode, off_t position,
-					iovec_t *iov, unsigned nr_req) );
-FORWARD _PROTOTYPE( int m_do_open, (struct driver *dp, message *m_ptr) );
+					iovec_t *iov, unsigned nr_req) 	);
+FORWARD _PROTOTYPE( int m_do_open, (struct driver *dp, message *m_ptr) 	);
 FORWARD _PROTOTYPE( void m_init, (void) );
-FORWARD _PROTOTYPE( int m_ioctl, (struct driver *dp, message *m_ptr) );
-FORWARD _PROTOTYPE( void m_geometry, (struct partition *entry) );
+FORWARD _PROTOTYPE( int m_ioctl, (struct driver *dp, message *m_ptr) 	);
+FORWARD _PROTOTYPE( void m_geometry, (struct partition *entry) 		);
 
 /* Entry points to this driver. */
 PRIVATE struct driver m_dtab = {
@@ -196,9 +196,9 @@ unsigned nr_req;		/* length of request vector */
   return(OK);
 }
 
-/*============================================================================*
- *				m_do_open				      *
- *============================================================================*/
+/*===========================================================================*
+ *				m_do_open				     *
+ *===========================================================================*/
 PRIVATE int m_do_open(dp, m_ptr)
 struct driver *dp;
 message *m_ptr;
@@ -317,9 +317,9 @@ message *m_ptr;				/* pointer to control message */
   return(OK);
 }
 
-/*============================================================================*
- *				m_geometry				      *
- *============================================================================*/
+/*===========================================================================*
+ *				m_geometry				     *
+ *===========================================================================*/
 PRIVATE void m_geometry(entry)
 struct partition *entry;
 {
diff --git a/drivers/tty/console.c b/drivers/tty/console.c
index 44c672eea..1f6496a6e 100644
--- a/drivers/tty/console.c
+++ b/drivers/tty/console.c
@@ -115,7 +115,7 @@ struct sequence {
 	unsigned char value;
 };
 
-FORWARD _PROTOTYPE( int cons_write, (struct tty *tp, int try)			);
+FORWARD _PROTOTYPE( int cons_write, (struct tty *tp, int try)		);
 FORWARD _PROTOTYPE( void cons_echo, (tty_t *tp, int c)			);
 FORWARD _PROTOTYPE( void out_char, (console_t *cons, int c)		);
 FORWARD _PROTOTYPE( void putk, (int c)					);
@@ -126,7 +126,7 @@ FORWARD _PROTOTYPE( void parse_escape, (console_t *cons, int c)		);
 FORWARD _PROTOTYPE( void scroll_screen, (console_t *cons, int dir)	);
 FORWARD _PROTOTYPE( void set_6845, (int reg, unsigned val)		);
 FORWARD _PROTOTYPE( void get_6845, (int reg, unsigned *val)		);
-FORWARD _PROTOTYPE( void stop_beep, (timer_t *tmrp)				);
+FORWARD _PROTOTYPE( void stop_beep, (timer_t *tmrp)			);
 FORWARD _PROTOTYPE( void cons_org0, (void)				);
 FORWARD _PROTOTYPE( int ga_program, (struct sequence *seq)		);
 FORWARD _PROTOTYPE( int cons_ioctl, (tty_t *tp, int)			);
@@ -149,7 +149,7 @@ int try;
   char buf[64];
   console_t *cons = tp->tty_priv;
 
-  if(try) return 1;	/* we can always write to console */
+  if (try) return 1;	/* we can always write to console */
 
   /* Check quickly for nothing to do, so this can be called often without
    * unmodular tests elsewhere.
@@ -853,7 +853,7 @@ tty_t *tp;
   cons->c_cur = cons->c_org = cons->c_start;
   cons->c_attr = cons->c_blank = BLANK_COLOR;
 
-  if(line != 0) {
+  if (line != 0) {
         /* Clear the non-console vtys. */
   	blank_color = BLANK_COLOR;
 	mem_vid_copy(BLANK_MEM, cons->c_start, scr_size);
@@ -870,18 +870,18 @@ tty_t *tp;
   cons_ioctl(tp, 0);
 }
 
-/*==========================================================================*
- *				    kputc				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				kputc					     *
+ *===========================================================================*/
 PUBLIC void kputc(c)
 int c;
 {
 	putk(c);
 }
 
-/*==========================================================================*
- *				do_new_kmess				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				do_new_kmess				     *
+ *===========================================================================*/
 PUBLIC void do_new_kmess(m)
 message *m;
 {
@@ -928,9 +928,9 @@ message *m;
   prev_next = kmess.km_next;
 }
 
-/*==========================================================================*
- *				do_diagnostics				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				do_diagnostics				     *
+ *===========================================================================*/
 PUBLIC void do_diagnostics(m_ptr)
 message *m_ptr;			/* pointer to request message */
 {
diff --git a/drivers/tty/keyboard.c b/drivers/tty/keyboard.c
index ef9639864..c37fa25e7 100644
--- a/drivers/tty/keyboard.c
+++ b/drivers/tty/keyboard.c
@@ -81,15 +81,15 @@ typedef struct observer { int proc_nr; int events; } obs_t;
 PRIVATE obs_t  fkey_obs[12];	/* observers for F1-F12 */
 PRIVATE obs_t sfkey_obs[12];	/* observers for SHIFT F1-F12 */
 
-FORWARD _PROTOTYPE( int kb_ack, (void) );
-FORWARD _PROTOTYPE( int kb_wait, (void) );
-FORWARD _PROTOTYPE( int func_key, (int scode) );
-FORWARD _PROTOTYPE( int scan_keyboard, (void) );
-FORWARD _PROTOTYPE( unsigned make_break, (int scode) );
-FORWARD _PROTOTYPE( void set_leds, (void) );
-FORWARD _PROTOTYPE( void show_key_mappings, (void) );
-FORWARD _PROTOTYPE( int kb_read, (struct tty *tp, int try) );
-FORWARD _PROTOTYPE( unsigned map_key, (int scode) );
+FORWARD _PROTOTYPE( int kb_ack, (void) 					);
+FORWARD _PROTOTYPE( int kb_wait, (void)				 	);
+FORWARD _PROTOTYPE( int func_key, (int scode) 				);
+FORWARD _PROTOTYPE( int scan_keyboard, (void) 				);
+FORWARD _PROTOTYPE( unsigned make_break, (int scode) 			);
+FORWARD _PROTOTYPE( void set_leds, (void) 				);
+FORWARD _PROTOTYPE( void show_key_mappings, (void) 			);
+FORWARD _PROTOTYPE( int kb_read, (struct tty *tp, int try) 		);
+FORWARD _PROTOTYPE( unsigned map_key, (int scode) 			);
 
 /*===========================================================================*
  *				map_key0				     *
@@ -149,15 +149,15 @@ message *m_ptr;
 	if (ihead == ibuf + KB_IN_BYTES) ihead = ibuf;
 	icount++;
 	tty_table[ccurrent].tty_events = 1;
-	if(tty_table[ccurrent].tty_select_ops & SEL_RD) {
+	if (tty_table[ccurrent].tty_select_ops & SEL_RD) {
 		select_retry(&tty_table[ccurrent]);
 	}
   }
 }
 
-/*==========================================================================*
- *				kb_read					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				kb_read					     *
+ *===========================================================================*/
 PRIVATE int kb_read(tp, try)
 tty_t *tp;
 int try;
@@ -169,9 +169,9 @@ int try;
 
   tp = &tty_table[ccurrent];		/* always use the current console */
 
-  if(try) {
+  if (try) {
   	printf("tty: kb: try: %d icount: %d\n", try, icount);
-  	if(icount > 0) return 1;
+  	if (icount > 0) return 1;
   	return 0;
   }
 
@@ -326,9 +326,9 @@ PRIVATE void set_leds()
   kb_ack();			/* wait for ack response  */
 }
 
-/*==========================================================================*
- *				kb_wait					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				kb_wait					     *
+ *===========================================================================*/
 PRIVATE int kb_wait()
 {
 /* Wait until the controller is ready; return zero if this times out. */
@@ -348,9 +348,9 @@ PRIVATE int kb_wait()
   return(retries);		/* zero on timeout, positive if ready */
 }
 
-/*==========================================================================*
- *				kb_ack					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				kb_ack					     *
+ *===========================================================================*/
 PRIVATE int kb_ack()
 {
 /* Wait until kbd acknowledges last command; return zero if this times out. */
@@ -380,7 +380,7 @@ tty_t *tp;
 }
 
 /*===========================================================================*
- *				kb_init_once					     *
+ *				kb_init_once				     *
  *===========================================================================*/
 PUBLIC void kb_init_once(void)
 {
@@ -559,9 +559,9 @@ int scode;			/* scan code for a function key */
   return(TRUE);
 }
 
-/*==========================================================================*
- *				show_key_mappings			    *
- *==========================================================================*/
+/*===========================================================================*
+ *				show_key_mappings			     *
+ *===========================================================================*/
 PRIVATE void show_key_mappings()
 {
     int i,s;
@@ -596,9 +596,9 @@ PRIVATE void show_key_mappings()
     printf("\n");
 }
 
-/*==========================================================================*
- *				scan_keyboard				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				scan_keyboard				     *
+ *===========================================================================*/
 PRIVATE int scan_keyboard()
 {
 /* Fetch the character from the keyboard hardware and acknowledge it. */
@@ -615,9 +615,9 @@ PRIVATE int scan_keyboard()
   return(byte_in[0].value);		/* return scan code */
 }
 
-/*==========================================================================*
- *				do_panic_dumps 				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				do_panic_dumps 				     *
+ *===========================================================================*/
 PUBLIC void do_panic_dumps(m)
 message *m;			/* request message to TTY */
 {
diff --git a/drivers/tty/pty.c b/drivers/tty/pty.c
index b3c2c3440..74dc94a1a 100644
--- a/drivers/tty/pty.c
+++ b/drivers/tty/pty.c
@@ -65,7 +65,7 @@ typedef struct pty {
 
 PRIVATE pty_t pty_table[NR_PTYS];	/* PTY bookkeeping */
 
-FORWARD _PROTOTYPE( int pty_write, (tty_t *tp, int try)				);
+FORWARD _PROTOTYPE( int pty_write, (tty_t *tp, int try)			);
 FORWARD _PROTOTYPE( void pty_echo, (tty_t *tp, int c)			);
 FORWARD _PROTOTYPE( void pty_start, (pty_t *pp)				);
 FORWARD _PROTOTYPE( void pty_finish, (pty_t *pp)			);
@@ -75,9 +75,9 @@ FORWARD _PROTOTYPE( int pty_icancel, (tty_t *tp, int try)		);
 FORWARD _PROTOTYPE( int pty_ocancel, (tty_t *tp, int try)		);
 FORWARD _PROTOTYPE( int pty_select, (tty_t *tp, message *m)		);
 
-/*==========================================================================*
- *				do_pty					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				do_pty					     *
+ *===========================================================================*/
 PUBLIC void do_pty(tp, m_ptr)
 tty_t *tp;
 message *m_ptr;
@@ -209,9 +209,9 @@ message *m_ptr;
   tty_reply(TASK_REPLY, m_ptr->m_source, m_ptr->PROC_NR, r);
 }
 
-/*==========================================================================*
- *				pty_write				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				pty_write				     *
+ *===========================================================================*/
 PRIVATE int pty_write(tp, try)
 tty_t *tp;
 int try;
@@ -225,7 +225,7 @@ int try;
 
   /* PTY closed down? */
   if (pp->state & PTY_CLOSED) {
-  	if(try) return 1;
+  	if (try) return 1;
 	if (tp->tty_outleft > 0) {
 		tty_reply(tp->tty_outrepcode, tp->tty_outcaller,
 							tp->tty_outproc, EIO);
@@ -237,7 +237,7 @@ int try;
   /* While there is something to do. */
   for (;;) {
 	ocount = buflen(pp->obuf) - pp->ocount;
-	if(try) return (ocount > 0);
+	if (try) return (ocount > 0);
 	count = bufend(pp->obuf) - pp->ohead;
 	if (count > ocount) count = ocount;
 	if (count > tp->tty_outleft) count = tp->tty_outleft;
@@ -245,7 +245,7 @@ int try;
 		break;
 
 	/* Copy from user space to the PTY output buffer. */
-	if((s = sys_vircopy(tp->tty_outproc, D, (vir_bytes) tp->tty_out_vir,
+	if ((s = sys_vircopy(tp->tty_outproc, D, (vir_bytes) tp->tty_out_vir,
 		SELF, D, (vir_bytes) pp->ohead, (phys_bytes) count)) != OK) {
 		printf("pty tty%d: copy failed (error %d)\n",  s);
 		break;
@@ -276,9 +276,9 @@ int try;
   return 1;
 }
 
-/*==========================================================================*
- *				pty_echo				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				pty_echo				     *
+ *===========================================================================*/
 PRIVATE void pty_echo(tp, c)
 tty_t *tp;
 int c;
@@ -301,9 +301,9 @@ int c;
   pty_start(pp);
 }
 
-/*==========================================================================*
- *				pty_start				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				pty_start				     *
+ *===========================================================================*/
 PRIVATE void pty_start(pp)
 pty_t *pp;
 {
@@ -319,7 +319,7 @@ pty_t *pp;
 	if (count == 0) break;
 
 	/* Copy from the output buffer to the readers address space. */
-	if((s = sys_vircopy(SELF, D, (vir_bytes)pp->otail,
+	if ((s = sys_vircopy(SELF, D, (vir_bytes)pp->otail,
 		(vir_bytes) pp->rdproc, D, (vir_bytes) pp->rdvir, (phys_bytes) count)) != OK) {
 		printf("pty tty%d: copy failed (error %d)\n",  s);
 		break;
@@ -334,9 +334,9 @@ pty_t *pp;
   }
 }
 
-/*==========================================================================*
- *				pty_finish				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				pty_finish				     *
+ *===========================================================================*/
 PRIVATE void pty_finish(pp)
 pty_t *pp;
 {
@@ -354,9 +354,9 @@ pty_t *pp;
 
 }
 
-/*==========================================================================*
- *				pty_read				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				pty_read				     *
+ *===========================================================================*/
 PRIVATE int pty_read(tp, try)
 tty_t *tp;
 int try;
@@ -368,7 +368,7 @@ int try;
   char c;
 
   if (pp->state & PTY_CLOSED) {
-	if(try) return 1;
+	if (try) return 1;
 	if (tp->tty_inleft > 0) {
 		tty_reply(tp->tty_inrepcode, tp->tty_incaller, tp->tty_inproc,
 								tp->tty_incum);
@@ -377,8 +377,8 @@ int try;
 	return 1;
   }
 
-  if(try) {
-  	if(pp->wrleft > 0)
+  if (try) {
+  	if (pp->wrleft > 0)
   		return 1;
   	return 0;
   }
@@ -387,7 +387,7 @@ int try;
   	int s;
 
 	/* Transfer one character to 'c'. */
-	if((s = sys_vircopy(pp->wrproc, D, (vir_bytes) pp->wrvir,
+	if ((s = sys_vircopy(pp->wrproc, D, (vir_bytes) pp->wrvir,
 		SELF, D, (vir_bytes) &c, (phys_bytes) 1)) != OK) {
 		printf("pty: copy failed (error %d)\n", s);
 		break;
@@ -411,9 +411,9 @@ int try;
   }
 }
 
-/*==========================================================================*
- *				pty_close				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				pty_close				     *
+ *===========================================================================*/
 PRIVATE int pty_close(tp, try)
 tty_t *tp;
 int try;
@@ -436,9 +436,9 @@ int try;
   if (pp->state & PTY_CLOSED) pp->state = 0; else pp->state |= TTY_CLOSED;
 }
 
-/*==========================================================================*
- *				pty_icancel				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				pty_icancel				     *
+ *===========================================================================*/
 PRIVATE int pty_icancel(tp, try)
 tty_t *tp;
 int try;
@@ -454,9 +454,9 @@ int try;
   }
 }
 
-/*==========================================================================*
- *				pty_ocancel				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				pty_ocancel				     *
+ *===========================================================================*/
 PRIVATE int pty_ocancel(tp, try)
 tty_t *tp;
 int try;
@@ -468,9 +468,9 @@ int try;
   pp->otail = pp->ohead;
 }
 
-/*==========================================================================*
- *				pty_init				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				pty_init				     *
+ *===========================================================================*/
 PUBLIC void pty_init(tp)
 tty_t *tp;
 {
@@ -496,9 +496,9 @@ tty_t *tp;
   tp->tty_select_ops = 0;
 }
 
-/*==========================================================================*
- *				pty_status				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				pty_status				     *
+ *===========================================================================*/
 PUBLIC int pty_status(message *m_ptr)
 {
 	int i, event_found;
@@ -535,7 +535,7 @@ PUBLIC int pty_status(message *m_ptr)
 			break;
 		}
 
-		if(pp->select_ready_ops && pp->select_proc == m_ptr->m_source) {
+		if (pp->select_ready_ops && pp->select_proc == m_ptr->m_source) {
 			m_ptr->m_type = DEV_IO_READY;
 			m_ptr->DEV_MINOR = PTYPX_MINOR + i;
 			m_ptr->DEV_SEL_OPS = pp->select_ready_ops;
@@ -547,50 +547,50 @@ PUBLIC int pty_status(message *m_ptr)
 	return event_found;
 }
 
-/*==========================================================================*
- *				select_try_pty				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				select_try_pty				     *
+ *===========================================================================*/
 PRIVATE int select_try_pty(tty_t *tp, int ops)
 {
   	pty_t *pp = tp->tty_priv;
 	int r = 0;
 
-	if(ops & SEL_WR)  {
+	if (ops & SEL_WR)  {
 		/* Write won't block on error. */
 		if (pp->state & TTY_CLOSED) r |= SEL_WR;
 		else if (pp->wrleft != 0 || pp->wrcum != 0) r |= SEL_WR;
 		else r |= SEL_WR;
 	}
 
-	if(ops & SEL_RD) {
+	if (ops & SEL_RD) {
 		/* Read won't block on error. */
 		if (pp->state & TTY_CLOSED) r |= SEL_RD;
-		else if(pp->rdleft != 0 || pp->rdcum != 0) r |= SEL_RD;
-		else if(pp->ocount > 0) r |= SEL_RD;	/* Actual data. */
+		else if (pp->rdleft != 0 || pp->rdcum != 0) r |= SEL_RD;
+		else if (pp->ocount > 0) r |= SEL_RD;	/* Actual data. */
 	}
 
 	return r;
 }
 
-/*==========================================================================*
- *				select_retry_pty				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				select_retry_pty			     *
+ *===========================================================================*/
 PUBLIC void select_retry_pty(tty_t *tp)
 {
   	pty_t *pp = tp->tty_priv;
   	int r;
 
 	/* See if the pty side of a pty is ready to return a select. */
-	if(pp->select_ops && (r=select_try_pty(tp, pp->select_ops))) {
+	if (pp->select_ops && (r=select_try_pty(tp, pp->select_ops))) {
 		pp->select_ops &= ~r;
 		pp->select_ready_ops |= r;
 		notify(pp->select_proc);
 	}
 }
 
-/*==========================================================================*
- *				pty_select				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				pty_select				     *
+ *===========================================================================*/
 PRIVATE int pty_select(tty_t *tp, message *m)
 {
   	pty_t *pp = tp->tty_priv;
@@ -601,7 +601,7 @@ PRIVATE int pty_select(tty_t *tp, message *m)
 
 	ready_ops = select_try_pty(tp, ops);
 
-	if(!ready_ops && ops && watch) {
+	if (!ready_ops && ops && watch) {
 		pp->select_ops |= ops;
 		pp->select_proc = m->m_source;
 	}
diff --git a/drivers/tty/rs232.c b/drivers/tty/rs232.c
index da58e8c69..3e28c5b36 100644
--- a/drivers/tty/rs232.c
+++ b/drivers/tty/rs232.c
@@ -1,8 +1,8 @@
 #include <minix/config.h>
-/*==========================================================================*
- *		rs232.c - serial driver for 8250 and 16450 UARTs	    *
- *		Added support for Atari ST M68901 and YM-2149	--kub	    *
- *==========================================================================*/
+/*---------------------------------------------------------------------------*
+ *		rs232.c - serial driver for 8250 and 16450 UARTs	     *
+ *		Added support for Atari ST M68901 and YM-2149	--kub	     *
+ *---------------------------------------------------------------------------*/
 
 #include "../drivers.h"
 #include <termios.h>
@@ -252,16 +252,16 @@ PRIVATE port_t addr_8250[] = {
 FORWARD _PROTOTYPE( void in_int, (rs232_t *rs)				);
 FORWARD _PROTOTYPE( void line_int, (rs232_t *rs)			);
 FORWARD _PROTOTYPE( void modem_int, (rs232_t *rs)			);
-FORWARD _PROTOTYPE( int rs_write, (tty_t *tp, int try)				);
+FORWARD _PROTOTYPE( int rs_write, (tty_t *tp, int try)			);
 FORWARD _PROTOTYPE( void rs_echo, (tty_t *tp, int c)			);
-FORWARD _PROTOTYPE( int rs_ioctl, (tty_t *tp, int try)				);
+FORWARD _PROTOTYPE( int rs_ioctl, (tty_t *tp, int try)			);
 FORWARD _PROTOTYPE( void rs_config, (rs232_t *rs)			);
-FORWARD _PROTOTYPE( int rs_read, (tty_t *tp, int try)				);
-FORWARD _PROTOTYPE( int rs_icancel, (tty_t *tp, int try)				);
-FORWARD _PROTOTYPE( int rs_ocancel, (tty_t *tp, int try)				);
+FORWARD _PROTOTYPE( int rs_read, (tty_t *tp, int try)			);
+FORWARD _PROTOTYPE( int rs_icancel, (tty_t *tp, int try)		);
+FORWARD _PROTOTYPE( int rs_ocancel, (tty_t *tp, int try)		);
 FORWARD _PROTOTYPE( void rs_ostart, (rs232_t *rs)			);
-FORWARD _PROTOTYPE( int rs_break, (tty_t *tp, int try)				);
-FORWARD _PROTOTYPE( int rs_close, (tty_t *tp, int try)				);
+FORWARD _PROTOTYPE( int rs_break, (tty_t *tp, int try)			);
+FORWARD _PROTOTYPE( int rs_close, (tty_t *tp, int try)			);
 FORWARD _PROTOTYPE( void out_int, (rs232_t *rs)				);
 FORWARD _PROTOTYPE( void rs232_handler, (rs232_t *rs)			);
 
@@ -273,15 +273,15 @@ PRIVATE int my_inb(port_t port)
 {
 	int r, v = 0;
 	r = sys_inb(port, &v);
-	if(r != OK)
+	if (r != OK)
 		printf("RS232 warning: failed inb 0x%x\n", port);
 
 	return v;
 }
 
-/*==========================================================================*
- *				rs_write				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs_write				     *
+ *===========================================================================*/
 PRIVATE int rs_write(tp, try)
 register tty_t *tp;
 int try;
@@ -314,10 +314,10 @@ int try;
 	if (count > ocount) count = ocount;
 	if (count > tp->tty_outleft) count = tp->tty_outleft;
 	if (count == 0 || tp->tty_inhibited) {
-		if(try) return 0;
+		if (try) return 0;
 		break;
 	}
-	if(try) return 1;
+	if (try) return 1;
 
 	/* Copy from user space to the RS232 output buffer. */
 	sys_vircopy(tp->tty_outproc, D, (vir_bytes) tp->tty_out_vir, 
@@ -355,9 +355,9 @@ int try;
   return 1;
 }
 
-/*==========================================================================*
- *				rs_echo					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs_echo					     *
+ *===========================================================================*/
 PRIVATE void rs_echo(tp, c)
 tty_t *tp;			/* which TTY */
 int c;				/* character to echo */
@@ -382,9 +382,9 @@ int c;				/* character to echo */
   if ((rs->ohead += ocount) >= bufend(rs->obuf)) rs->ohead -= buflen(rs->obuf);
 }
 
-/*==========================================================================*
- *				rs_ioctl				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs_ioctl				     *
+ *===========================================================================*/
 PRIVATE int rs_ioctl(tp, dummy)
 tty_t *tp;			/* which TTY */
 int dummy;
@@ -396,9 +396,9 @@ int dummy;
   return 0;	/* dummy */
 }
 
-/*==========================================================================*
- *				rs_config				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs_config				     *
+ *===========================================================================*/
 PRIVATE void rs_config(rs)
 rs232_t *rs;			/* which line */
 {
@@ -504,9 +504,9 @@ rs232_t *rs;			/* which line */
 #endif /* MACHINE == ATARI */
 }
 
-/*==========================================================================*
- *				rs_init					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs_init					     *
+ *===========================================================================*/
 PUBLIC void rs_init(tp)
 tty_t *tp;			/* which TTY */
 {
@@ -580,10 +580,10 @@ tty_t *tp;			/* which TTY */
 
   rs->irq = irq;
   rs->irq_hook_id = rs->irq;	/* call back with irq line number */
-  if(sys_irqsetpolicy(irq, IRQ_REENABLE, &rs->irq_hook_id) != OK) {
+  if (sys_irqsetpolicy(irq, IRQ_REENABLE, &rs->irq_hook_id) != OK) {
   	printf("RS232: Couldn't obtain hook for irq %d\n", irq);
   } else {
-  	if(sys_irqenable(&rs->irq_hook_id) != OK)  {
+  	if (sys_irqenable(&rs->irq_hook_id) != OK)  {
   		printf("RS232: Couldn't enable irq %d (hooked)\n", irq);
   	}
   }
@@ -622,9 +622,9 @@ tty_t *tp;			/* which TTY */
 
 }
 
-/*==========================================================================*
- *				rs_interrupt					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs_interrupt				     *
+ *===========================================================================*/
 PUBLIC void rs_interrupt(m)
 message *m;			/* which TTY */
 {
@@ -640,9 +640,9 @@ message *m;			/* which TTY */
 	}
 }
 
-/*==========================================================================*
- *				rs_icancel				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs_icancel				     *
+ *===========================================================================*/
 PRIVATE int rs_icancel(tp, dummy)
 tty_t *tp;			/* which TTY */
 int dummy;
@@ -659,9 +659,9 @@ int dummy;
   return 0;	/* dummy */
 }
 
-/*==========================================================================*
- *				rs_ocancel				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs_ocancel				     *
+ *===========================================================================*/
 PRIVATE int rs_ocancel(tp, dummy)
 tty_t *tp;			/* which TTY */
 int dummy;
@@ -678,9 +678,9 @@ int dummy;
   return 0;	/* dummy */
 }
 
-/*==========================================================================*
- *				rs_read					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs_read					     *
+ *===========================================================================*/
 PRIVATE int rs_read(tp, try)
 tty_t *tp;			/* which tty */
 int try;
@@ -691,7 +691,7 @@ int try;
   int icount, count, ostate;
 
   if (!(tp->tty_termios.c_cflag & CLOCAL)) {
-  	if(try) return 1;
+  	if (try) return 1;
 	/* Send a SIGHUP if hangup detected. */
 	lock();
 	ostate = rs->ostate;
@@ -704,8 +704,8 @@ int try;
 	}
   }
 
-  if(try) {
-  	if(rs->icount > 0)
+  if (try) {
+  	if (rs->icount > 0)
 	  	return 1;
 	return 0;
   }
@@ -725,9 +725,9 @@ int try;
   }
 }
 
-/*==========================================================================*
- *				rs_ostart				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs_ostart				     *
+ *===========================================================================*/
 PRIVATE void rs_ostart(rs)
 rs232_t *rs;			/* which rs line */
 {
@@ -737,9 +737,9 @@ rs232_t *rs;			/* which rs line */
   if (txready(rs)) out_int(rs);
 }
 
-/*==========================================================================*
- *				rs_break				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs_break				     *
+ *===========================================================================*/
 PRIVATE int rs_break(tp, dummy)
 tty_t *tp;			/* which tty */
 int dummy;
@@ -757,9 +757,9 @@ int dummy;
   return 0;	/* dummy */
 }
 
-/*==========================================================================*
- *				rs_close				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs_close				     *
+ *===========================================================================*/
 PRIVATE int rs_close(tp, dummy)
 tty_t *tp;			/* which tty */
 int dummy;
@@ -777,9 +777,9 @@ int dummy;
 /* Low level (interrupt) routines. */
 
 #if (MACHINE == IBM_PC)
-/*==========================================================================*
- *				rs232_handler				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rs232_handler				     *
+ *===========================================================================*/
 PRIVATE void rs232_handler(rs)
 struct rs232 *rs;
 {
@@ -813,9 +813,9 @@ struct rs232 *rs;
 #endif /* MACHINE == IBM_PC */
 
 #if (MACHINE == ATARI)
-/*==========================================================================*
- *				siaint					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				siaint					     *
+ *===========================================================================*/
 PRIVATE void siaint(type)
 int    type;	       /* interrupt type */
 {
@@ -855,9 +855,9 @@ int    type;	       /* interrupt type */
 }
 #endif /* MACHINE == ATARI */
 
-/*==========================================================================*
- *				in_int					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				in_int					     *
+ *===========================================================================*/
 PRIVATE void in_int(rs)
 register rs232_t *rs;		/* line with input interrupt */
 {
@@ -897,9 +897,9 @@ register rs232_t *rs;		/* line with input interrupt */
   }
 }
 
-/*==========================================================================*
- *				line_int				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				line_int				     *
+ *===========================================================================*/
 PRIVATE void line_int(rs)
 register rs232_t *rs;		/* line with line status interrupt */
 {
@@ -918,9 +918,9 @@ register rs232_t *rs;		/* line with line status interrupt */
   if (rs->lstatus & LS_BREAK_INTERRUPT) ++rs->break_interrupts;
 }
 
-/*==========================================================================*
- *				modem_int				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				modem_int				     *
+ *===========================================================================*/
 PRIVATE void modem_int(rs)
 register rs232_t *rs;		/* line with modem interrupt */
 {
@@ -948,9 +948,9 @@ register rs232_t *rs;		/* line with modem interrupt */
   }
 }
 
-/*==========================================================================*
+/*===========================================================================*
  *				out_int					    *
- *==========================================================================*/
+ *===========================================================================*/
 PRIVATE void out_int(rs)
 register rs232_t *rs;		/* line with output interrupt */
 {
diff --git a/drivers/tty/tty.c b/drivers/tty/tty.c
index 9961f393f..8dc4904fa 100644
--- a/drivers/tty/tty.c
+++ b/drivers/tty/tty.c
@@ -33,7 +33,7 @@
  * ---------------------------------------------------------------------------
  * | HARD_INT    |         |         |         |         |         |         |
  * |-------------+---------+---------+---------+---------+---------+---------|
- * | SYS_SIG   | sig set |         |         |         |         |         |
+ * | SYS_SIG     | sig set |         |         |         |         |         |
  * |-------------+---------+---------+---------+---------+---------+---------|
  * | DEV_READ    |minor dev| proc nr |  count  |         O_NONBLOCK| buf ptr |
  * |-------------+---------+---------+---------+---------+---------+---------|
@@ -419,7 +419,7 @@ register message *m_ptr;	/* pointer to message sent to the task */
 	/* ...then go back for more. */
 	handle_events(tp);
 	if (tp->tty_inleft == 0)  {
-  		if(tp->tty_select_ops)
+  		if (tp->tty_select_ops)
   			select_retry(tp);
 		return;			/* already done */
 	}
@@ -436,7 +436,7 @@ register message *m_ptr;	/* pointer to message sent to the task */
 	}
   }
   tty_reply(TASK_REPLY, m_ptr->m_source, m_ptr->PROC_NR, r);
-  if(tp->tty_select_ops)
+  if (tp->tty_select_ops)
   	select_retry(tp);
 }
 
@@ -595,9 +595,9 @@ message *m_ptr;			/* pointer to message sent to task */
 		SELF, D, (vir_bytes) &param.i, (vir_bytes) size);
 	if (r != OK) break;
 	switch (param.i) {
-	    case TCIFLUSH:	tty_icancel(tp);			break;
-	    case TCOFLUSH:	(*tp->tty_ocancel)(tp, 0);			break;
-	    case TCIOFLUSH:	tty_icancel(tp); (*tp->tty_ocancel)(tp, 0);break;
+	    case TCIFLUSH:	tty_icancel(tp);		 	    break;
+	    case TCOFLUSH:	(*tp->tty_ocancel)(tp, 0);		    break;
+	    case TCIOFLUSH:	tty_icancel(tp); (*tp->tty_ocancel)(tp, 0); break;
 	    default:		r = EINVAL;
 	}
 	break;
@@ -798,25 +798,25 @@ PUBLIC int select_try(struct tty *tp, int ops)
 		ready_ops |= ops;
 	}
 
-	if(ops & SEL_RD) {
+	if (ops & SEL_RD) {
 		/* will i/o not block on read? */
 		if (tp->tty_inleft > 0) {
 			ready_ops |= SEL_RD;	/* EIO - no blocking */
-		} else if(tp->tty_incount > 0) {
+		} else if (tp->tty_incount > 0) {
 			/* Is a regular read possible? tty_incount
 			 * says there is data. But a read will only succeed
 			 * in canonical mode if a newline has been seen.
 			 */
-			if(!(tp->tty_termios.c_lflag & ICANON) ||
+			if (!(tp->tty_termios.c_lflag & ICANON) ||
 				tp->tty_eotct > 0) {
 				ready_ops |= SEL_RD;
 			}
 		}
 	}
 
-	if(ops & SEL_WR)  {
+	if (ops & SEL_WR)  {
   		if (tp->tty_outleft > 0)  ready_ops |= SEL_WR;
-		else if((*tp->tty_devwrite)(tp, 1)) ready_ops |= SEL_WR;
+		else if ((*tp->tty_devwrite)(tp, 1)) ready_ops |= SEL_WR;
 	}
 
 	return ready_ops;
@@ -879,10 +879,10 @@ tty_t *tp;			/* TTY to check for events. */
 		tp->tty_inleft = tp->tty_incum = 0;
 	}
   }
-  if(tp->tty_select_ops)
+  if (tp->tty_select_ops)
   	select_retry(tp);
 #if NR_PTYS > 0
-  if(ispty(tp))
+  if (ispty(tp))
   	select_retry_pty(tp);
 #endif
 }
@@ -1179,9 +1179,9 @@ register int ch;		/* pointer to character to echo */
   return(ch | (len << IN_LSHIFT));
 }
 
-/*==========================================================================*
- *				rawecho					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				rawecho					     *
+ *===========================================================================*/
 PRIVATE void rawecho(tp, ch)
 register tty_t *tp;
 int ch;
@@ -1192,9 +1192,9 @@ int ch;
   tp->tty_reprint = rp;
 }
 
-/*==========================================================================*
- *				back_over				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				back_over				     *
+ *===========================================================================*/
 PRIVATE int back_over(tp)
 register tty_t *tp;
 {
@@ -1221,9 +1221,9 @@ register tty_t *tp;
   return(1);				/* one character erased */
 }
 
-/*==========================================================================*
- *				reprint					    *
- *==========================================================================*/
+/*===========================================================================*
+ *				reprint					     *
+ *===========================================================================*/
 PRIVATE void reprint(tp)
 register tty_t *tp;		/* pointer to tty struct */
 {
@@ -1260,9 +1260,9 @@ register tty_t *tp;		/* pointer to tty struct */
   } while (count < tp->tty_incount);
 }
 
-/*==========================================================================*
- *				out_process				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				out_process				     *
+ *===========================================================================*/
 PUBLIC void out_process(tp, bstart, bpos, bend, icount, ocount)
 tty_t *tp;
 char *bstart, *bpos, *bend;	/* start/pos/end of circular buffer */
@@ -1471,9 +1471,9 @@ int sig;			/* SIGINT, SIGQUIT, SIGKILL or SIGHUP */
   }
 }
 
-/*==========================================================================*
- *				tty_icancel				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				tty_icancel				     *
+ *===========================================================================*/
 PRIVATE void tty_icancel(tp)
 register tty_t *tp;
 {
@@ -1484,9 +1484,9 @@ register tty_t *tp;
   (*tp->tty_icancel)(tp, 0);
 }
 
-/*==========================================================================*
- *				tty_init				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				tty_init				     *
+ *===========================================================================*/
 PRIVATE void tty_init()
 {
 /* Initialize tty structure and call device initialization routines. */
@@ -1530,9 +1530,9 @@ PRIVATE void tty_init()
 #endif
 }
 
-/*==========================================================================*
- *				tty_timed_out				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				tty_timed_out				     *
+ *===========================================================================*/
 PRIVATE void tty_timed_out(timer_t *tp)
 {
 /* This timer has expired. Set the events flag, to force processing. */
@@ -1542,9 +1542,9 @@ PRIVATE void tty_timed_out(timer_t *tp)
   tty_ptr->tty_events = 1;		
 }
 
-/*==========================================================================*
- *				expire_timers			    	    *
- *==========================================================================*/
+/*===========================================================================*
+ *				expire_timers			    	     *
+ *===========================================================================*/
 PRIVATE void expire_timers(void)
 {
 /* A synchronous alarm message was received. Check if there are any expired 
@@ -1605,9 +1605,9 @@ int enable;			/* set timer if true, otherwise unset */
   }
 }
 
-/*==========================================================================*
- *				tty_devnop				    *
- *==========================================================================*/
+/*===========================================================================*
+ *				tty_devnop				     *
+ *===========================================================================*/
 PUBLIC int tty_devnop(tp, try)
 tty_t *tp;
 int try;
@@ -1616,7 +1616,7 @@ int try;
 }
 
 /*===========================================================================*
- *				do_select			     *
+ *				do_select				     *
  *===========================================================================*/
 PRIVATE void do_select(tp, m_ptr)
 register tty_t *tp;		/* pointer to tty struct */
@@ -1629,7 +1629,7 @@ register message *m_ptr;	/* pointer to message sent to the task */
 
 	ready_ops = select_try(tp, ops);
 
-	if(!ready_ops && ops && watch) {
+	if (!ready_ops && ops && watch) {
 		tp->tty_select_ops |= ops;
 		tp->tty_select_proc = m_ptr->m_source;
 	}
diff --git a/drivers/tty/tty.h b/drivers/tty/tty.h
index 010a200d1..f26ca22b2 100644
--- a/drivers/tty/tty.h
+++ b/drivers/tty/tty.h
@@ -3,11 +3,11 @@
 #include <timers.h>
 
 /* First minor numbers for the various classes of TTY devices. */
-#define CONS_MINOR	  0
-#define LOG_MINOR	 15
-#define RS232_MINOR	 16
-#define TTYPX_MINOR	128
-#define PTYPX_MINOR	192
+#define CONS_MINOR	   0
+#define LOG_MINOR	  15
+#define RS232_MINOR	  16
+#define TTYPX_MINOR	 128
+#define PTYPX_MINOR	 192
 
 #define LINEWRAP	   1	/* console.c - wrap lines at column 80 */
 
@@ -135,8 +135,8 @@ _PROTOTYPE( void out_process, (struct tty *tp, char *bstart, char *bpos,
 _PROTOTYPE( void tty_wakeup, (clock_t now)				);
 _PROTOTYPE( void tty_reply, (int code, int replyee, int proc_nr,
 							int status)	);
-_PROTOTYPE( int tty_devnop, (struct tty *tp, int try)				);
-_PROTOTYPE( int select_try, (struct tty *tp, int ops)				);
+_PROTOTYPE( int tty_devnop, (struct tty *tp, int try)			);
+_PROTOTYPE( int select_try, (struct tty *tp, int ops)			);
 _PROTOTYPE( int select_retry, (struct tty *tp)				);
 
 /* rs232.c */
@@ -147,7 +147,7 @@ _PROTOTYPE( void rs_interrupt, (message *m)				);
 /* console.c */
 _PROTOTYPE( void kputc, (int c)						);
 _PROTOTYPE( void cons_stop, (void)					);
-_PROTOTYPE( void do_new_kmess, (message *m)					);
+_PROTOTYPE( void do_new_kmess, (message *m)				);
 _PROTOTYPE( void do_diagnostics, (message *m)				);
 _PROTOTYPE( void scr_init, (struct tty *tp)				);
 _PROTOTYPE( void toggle_scroll, (void)					);
@@ -165,7 +165,7 @@ _PROTOTYPE( void kbd_interrupt, (message *m)				);
 /* pty.c */
 _PROTOTYPE( void do_pty, (struct tty *tp, message *m_ptr)		);
 _PROTOTYPE( void pty_init, (struct tty *tp)				);
-_PROTOTYPE( void select_retry_pty, (struct tty *tp)				);
+_PROTOTYPE( void select_retry_pty, (struct tty *tp)			);
 _PROTOTYPE( int pty_status, (message *m_ptr)				);
 
 /* vidcopy.s */