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herror.c
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1994-09-09
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/*
* Copyright (c) 1987 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[] = "@(#)herror.c 6.5 (Berkeley) 6/1/90";
#endif /* LIBC_SCCS and not lint */
#include <stdio.h>
#include <types.h>
char *h_errlist[] = {
"Error 0",
"Unknown host", /* 1 HOST_NOT_FOUND */
"Host name lookup failure", /* 2 TRY_AGAIN */
"Unknown server error", /* 3 NO_RECOVERY */
"No address associated with name", /* 4 NO_ADDRESS */
};
int h_nerr = { sizeof(h_errlist)/sizeof(h_errlist[0]) };
extern int h_errno;
/*
* herror --
* print the error indicated by the h_errno value.
*/
herror(s)
char *s;
{
if (s && *s) {
fprintf(stderr, "%s :", s);
}
fprintf(stderr,"%s\n", (u_int)h_errno < h_nerr ?
h_errlist[h_errno] : "Unknown error" );
}