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Cream of the Crop 1
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DJLSR106.ARJ
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PERROR.C
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C/C++ Source or Header
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1992-03-02
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/* This is file PERROR.C */
/* This file may have been modified by DJ Delorie (Jan 1991). If so,
** these modifications are Coyright (C) 1991 DJ Delorie, 24 Kirsten Ave,
** Rochester NH, 03867-2954, USA.
*/
/*
* Copyright (c) 1988 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that: (1) source distributions retain this entire copyright
* notice and comment, and (2) distributions including binaries display
* the following acknowledgement: ``This product includes software
* developed by the University of California, Berkeley and its contributors''
* in the documentation or other materials provided with the distribution
* and in all advertising materials mentioning features or use of this
* software. 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 ``AS IS'' AND WITHOUT ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
static char sccsid[] = "@(#)perror.c 5.9 (Berkeley) 6/1/90";
#endif /* LIBC_SCCS and not lint */
#include <sys/types.h>
#include <sys/uio.h>
perror(s)
char *s;
{
extern int errno;
register struct iovec *v;
struct iovec iov[4];
char *strerror();
v = iov;
if (s && *s) {
v->iov_base = s;
v->iov_len = strlen(s);
v++;
v->iov_base = ": ";
v->iov_len = 2;
v++;
}
v->iov_base = strerror(errno);
v->iov_len = strlen(v->iov_base);
v++;
v->iov_base = "\n";
v->iov_len = 1;
(void)writev(2, iov, (v - iov) + 1);
}