ref: 7c62868a9fb501b132cb9d2a24b38a19edf13a90
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;
}