/* * strerror.c --- ANSI C compatible system error routine */ /* * Copyright (C) 1986, 1988, 1989, 1991 the Free Software Foundation, Inc. * From gawk. * * 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * */ #if 0 #include #endif extern int sys_nerr; extern char *sys_errlist[]; char * strerror(n) int n; { static char mesg[30]; if (n < 0 || n >= sys_nerr) { sprintf(mesg, "Unknown error (%d)", n); return mesg; } else return sys_errlist[n]; }