ack/lang/cem/libcc.ansi/errno/strerror.c

/*
 * (c) copyright 1987 by the Vrije Universiteit, Amsterdam, The Netherlands.
 * See the copyright notice in the ACK home directory, in the file "Copyright".
 */
/* $Id$ */

#include <string.h>

/*
 * I don't know why, but X3J11 says that strerror() should be in declared
 * in <string.h>.  That is why the function is defined here.
 */
char* strerror(register int errnum)
{
	extern const char* _sys_errlist[];
	extern const int _sys_nerr;

	if (errnum < 0 || errnum >= _sys_nerr)
		return "unknown error";
	return (char*)_sys_errlist[errnum];
}