ref: b177ddf6bb174b8a662711f2023b0b79cf1cc353
dir: /sys/src/cmd/python/Python/strerror.c/
/* PD implementation of strerror() for systems that don't have it.
Author: Guido van Rossum, CWI Amsterdam, Oct. 1990, <guido@cwi.nl>. */
#include <stdio.h>
#include "Python.h"
extern int sys_nerr;
extern char *sys_errlist[];
char *
strerror(int err)
{
static char buf[20];
if (err >= 0 && err < sys_nerr)
return sys_errlist[err];
PyOS_snprintf(buf, sizeof(buf), "Unknown errno %d", err);
return buf;
}