5 * Copyright (c) 1988 Regents of the University of California.
8 * Redistribution and use in source and binary forms are permitted
9 * provided that the above copyright notice and this paragraph are
10 * duplicated in all such forms and that any documentation,
11 * advertising materials, and other materials related to such
12 * distribution and use acknowledge that the software was developed
13 * by the University of California, Berkeley. The name of the
14 * University may not be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
17 * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
18 * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
21 #if defined(LIBC_SCCS) && !defined(lint)
22 static const char sccsid[] = "@(#)strerror.c 5.1 (Berkeley) 4/9/89";
23 #endif /* LIBC_SCCS and not lint */
25 #include <sys/types.h>
38 extern char *sys_errlist[];
41 if ((unsigned int)errnum < sys_nerr)
42 return(sys_errlist[errnum]);
43 (void)sprintf(ebuf, "Unknown error: %d", errnum);