--- /dev/null
+/* $NetBSD: util.h,v 1.49 2007/12/14 16:36:19 christos Exp $ */
+
+/*-
+ * Copyright (c) 1995
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. Neither the name of the University nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _UTIL_H_
+#define _UTIL_H_
+
+#include <sys/cdefs.h>
+#include <sys/ttycom.h>
+#include <sys/types.h>
+#include <stdio.h>
+#include <pwd.h>
+#include <termios.h>
+#include <utmp.h>
+#include <utmpx.h>
+#include <machine/ansi.h>
+
+#ifdef _BSD_TIME_T_
+typedef _BSD_TIME_T_ time_t;
+#undef _BSD_TIME_T_
+#endif
+
+#define PIDLOCK_NONBLOCK 1
+#define PIDLOCK_USEHOSTNAME 2
+
+#define PW_POLICY_BYSTRING 0
+#define PW_POLICY_BYPASSWD 1
+#define PW_POLICY_BYGROUP 2
+
+__BEGIN_DECLS
+struct disklabel;
+struct iovec;
+struct passwd;
+struct termios;
+struct utmp;
+struct winsize;
+struct sockaddr;
+
+typedef struct pw_policy *pw_policy_t;
+
+char *flags_to_string(unsigned long, const char *);
+pid_t forkpty(int *, char *, struct termios *, struct winsize *);
+const char *getbootfile(void);
+off_t getlabeloffset(void);
+int getlabelsector(void);
+int getmaxpartitions(void);
+int getrawpartition(void);
+void login(const struct utmp *);
+void loginx(const struct utmpx *);
+int login_tty(int);
+int logout(const char *);
+int logoutx(const char *, int, int);
+void logwtmp(const char *, const char *, const char *);
+void logwtmpx(const char *, const char *, const char *, int, int);
+int opendisk(const char *, int, char *, size_t, int);
+int openpty(int *, int *, char *, struct termios *,
+ struct winsize *);
+time_t parsedate(const char *, const time_t *, const int *);
+int pidfile(const char *);
+int pidlock(const char *, int, pid_t *, const char *);
+int pw_abort(void);
+void pw_copy(int, int, struct passwd *, struct passwd *);
+int pw_copyx(int, int, struct passwd *, struct passwd *,
+ char *, size_t);
+void pw_edit(int, const char *);
+void pw_error(const char *, int, int);
+void pw_getconf(char *, size_t, const char *, const char *);
+void pw_getpwconf(char *, size_t, const struct passwd *,
+ const char *);
+const char *pw_getprefix(void);
+void pw_init(void);
+int pw_lock(int);
+int pw_mkdb(const char *, int);
+pw_policy_t pw_policy_load(void *, int);
+int pw_policy_test(pw_policy_t, char *);
+void pw_policy_free(pw_policy_t);
+void pw_prompt(void);
+int pw_setprefix(const char *);
+int raise_default_signal(int);
+int secure_path(const char *);
+int snprintb(char *, size_t, const char *, uint64_t);
+int sockaddr_snprintf(char *, size_t, const char *,
+ const struct sockaddr *);
+int string_to_flags(char **, unsigned long *, unsigned long *);
+int ttyaction(const char *, const char *, const char *);
+int ttylock(const char *, int, pid_t *);
+char *ttymsg(struct iovec *, int, const char *, int);
+int ttyunlock(const char *);
+
+uint16_t disklabel_dkcksum(struct disklabel *);
+int disklabel_scan(struct disklabel *, char *, size_t);
+
+/* Error checked functions */
+void (*esetfunc(void (*)(int, const char *, ...)))
+ (int, const char *, ...);
+size_t estrlcpy(char *, const char *, size_t);
+size_t estrlcat(char *, const char *, size_t);
+char *estrdup(const char *);
+char *estrndup(const char *, size_t);
+void *ecalloc(size_t, size_t);
+void *emalloc(size_t);
+void *erealloc(void *, size_t);
+struct __sFILE *efopen(const char *, const char *);
+int easprintf(char ** __restrict, const char * __restrict, ...)
+ __attribute__((__format__(__printf__, 2, 3)));
+int evasprintf(char ** __restrict, const char * __restrict,
+ _BSD_VA_LIST_)
+ __attribute__((__format__(__printf__, 2, 0)));
+__END_DECLS
+
+#endif /* !_UTIL_H_ */
