#ifndef _ERRNO_H #define _ERRNO_H #ifdef __cplusplus extern "C" { #endif #include #include int *__errno_location(void); #ifdef __cplusplus extern thread_local int errno; #else extern _Thread_local int errno; #endif #ifdef _GNU_SOURCE extern char *program_invocation_short_name, *program_invocation_name; #endif #ifdef __cplusplus } #endif #endif