/* * Copyright (c) 1988 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted * provided that the above copyright notice and this paragraph are * duplicated in all such forms and that any documentation, * advertising materials, and other materials related to such * distribution and use acknowledge that the software was developed * by the University of California, Berkeley. The name of the * University may not 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 MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. */ #if defined(LIBC_SCCS) && !defined(lint) static const char sccsid[] = "@(#)strerror.c 5.1 (Berkeley) 4/9/89"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> #include <stdio.h> #include <string.h> char * strerror( int errnum ) { extern int sys_nerr; extern char *sys_errlist[]; static char ebuf[20]; if ((unsigned int)errnum < sys_nerr) return(sys_errlist[errnum]); (void)sprintf(ebuf, "Unknown error: %d", errnum); return(ebuf); }