/* * 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);voidperror(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);}