#define EOUTOFBUFS (_SIGN 51) /* not enough buffers left */
#define EBADIOCTL (_SIGN 52) /* illegal ioctl for device */
#define EBADMODE (_SIGN 53) /* badmode in ioctl */
-#define EWOULDBLOCK (_SIGN 54)
+#define EWOULDBLOCK (_SIGN 54) /* call would block on nonblocking socket */
#define EBADDEST (_SIGN 55) /* not a valid destination address */
#define EDSTNOTRCH (_SIGN 56) /* destination not reachable */
-#define EISCONN (_SIGN 57) /* all ready connected */
+#define EISCONN (_SIGN 57) /* already connected */
#define EADDRINUSE (_SIGN 58) /* address in use */
#define ECONNREFUSED (_SIGN 59) /* connection refused */
#define ECONNRESET (_SIGN 60) /* connection reset */