/* * Copyright (c) 1988 Regents of the University of California. * All rights reserved. * * Redistribution and use in source and binary forms are permitted provided * that: (1) source distributions retain this entire copyright notice and * comment, and (2) distributions including binaries display the following * acknowledgement:  ``This product includes software developed by the * University of California, Berkeley and its contributors'' in the * documentation or other materials provided with the distribution and in * all advertising materials mentioning features or use of this software. * Neither the name of the University nor the names of its contributors may * 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 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. */#if defined(LIBC_SCCS) && !defined(lint)static char sccsid[] = "@(#)strerror.c  5.4 (Berkeley) 6/24/90";#endif /* LIBC_SCCS and not lint */#include "ftconfig.h"#include "ftlib.h"#if HAVE_STRINGS_H #include <strings.h>#endif#if HAVE_STRING_H  #include <string.h>#endifchar *strerror(errnum)  int errnum;{  extern int sys_nerr;  extern char *sys_errlist[];  static char ebuf[40];   /* 64-bit number + slop */  if ((unsigned int)errnum < sys_nerr)    return(sys_errlist[errnum]);  (void)sprintf(ebuf, "Unknown error: %d", errnum);  return(ebuf);}