1#pragma once
2
3#ifdef __cplusplus
4extern "C" {
5#endif
6
7#include <features.h>
8
9#include <bits/errno.h>
10
11int* __errno_location(void);
12#define errno (*__errno_location())
13
14#ifdef _GNU_SOURCE
15extern char *program_invocation_short_name, *program_invocation_name;
16#endif
17
18#ifdef __cplusplus
19}
20#endif
21