ref: 4eaac6bfb11cc84259e8b418d4babffdf1c637eb
dir: /lib/c/string/strerror.c/
#include <errno.h>
#include <string.h>
#undef strerror
char *
strerror(int errnum)
{
if (errnum < _sys_nerr)
return _sys_errlist[errnum];
else
return "Unknown error";
}