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/* strerror.c -- convert errno value into a string
Copyright (C) 1991, 1992 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
char *strerror(errnum)
int errnum;
{
extern char *sys_errlist[];
extern int sys_nerr;
if (errnum > 0 && errnum <= sys_nerr)
return sys_errlist[errnum];
return "Unknown system error";
}
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