source: trunk/minix/lib/stdio/perror.c@ 9

/*
 * perror.c - print an error message on the standard error output
 */
/* $Header: /cvsup/minix/src/lib/stdio/perror.c,v 1.1.1.1 2005/04/21 14:56:36 beng Exp $ */

#if     defined(_POSIX_SOURCE)
#include        <sys/types.h>
#endif
#include        <stdio.h>
#include        <errno.h>
#include        <stdio.h>
#include        <string.h>
#include        "loc_incl.h"

ssize_t _write(int d, const char *buf, size_t nbytes);

void
perror(const char *s)
{
        char *p;
        int fd;

        p = strerror(errno);
        fd = fileno(stderr);
        fflush(stdout);
        fflush(stderr);
        if (s && *s) {
                _write(fd, s, strlen(s));
                _write(fd, ": ", 2);
        }
        _write(fd, p, strlen(p));
        _write(fd, "\n", 1);
}