relibc/include/features.h

/*
 * MIT License
 * Copyright (c) 2020 Rich Felker musl-libc
 */

#ifndef _FEATURES_H
#define _FEATURES_H

#if __STDC_VERSION__ >= 199901L
#define __restrict restrict
#elif !defined(__GNUC__)
#define __restrict
#endif

#if __STDC_VERSION__ >= 199901L || defined(__cplusplus)
#define __inline inline
#elif !defined(__GNUC__)
#define __inline
#endif

#if __STDC_VERSION__ >= 201112L
#elif defined(__GNUC__)
#define _Noreturn __attribute__((__noreturn__))
#else
#define _Noreturn
#endif

#endif