1#ifndef ERRNO_H
 2#define ERRNO_H
 3
 4#include "../../include/errno.h"
 5
 6#ifdef __wasilibc_unmodified_upstream // Use alternate WASI libc headers
 7#ifdef __GNUC__
 8__attribute__((const))
 9#endif
10hidden int *___errno_location(void);
11
12#undef errno
13#define errno (*___errno_location())
14#else
15// Use the WASI libc errno.
16#endif
17
18#endif