1 /* 2 * Copyright (c) 1988 Regents of the University of California. 3 * All rights reserved. 4 * 5 * %sccs.include.redist.c% 6 */ 7 8 #if defined(LIBC_SCCS) && !defined(lint) 9 static char sccsid[] = "@(#)strerror.c 5.4 (Berkeley) 06/24/90"; 10 #endif /* LIBC_SCCS and not lint */ 11 12 #include <string.h> 13 14 char * 15 strerror(errnum) 16 int errnum; 17 { 18 extern int sys_nerr; 19 extern char *sys_errlist[]; 20 static char ebuf[40]; /* 64-bit number + slop */ 21 22 if ((unsigned int)errnum < sys_nerr) 23 return(sys_errlist[errnum]); 24 (void)sprintf(ebuf, "Unknown error: %d", errnum); 25 return(ebuf); 26 } 27