ack/lang/cem/libcc.ansi/string/strerror.c
eck a41c51783a improved the speed somewhat
fixed bug with negative chars in comparisons
1990-08-28 13:54:46 +00:00

23 lines
556 B
C

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