extern "C" {
#endif
-#if __STDC_VERSION__ >= 201112L
-#elif defined(__GNUC__)
-#define _Noreturn __attribute__((__noreturn__))
-#else
-#define _Noreturn
-#endif
+#include <features.h>
#include <bits/setjmp.h>
unsigned long __ss[128/sizeof(long)];
} sigjmp_buf[1];
int sigsetjmp (sigjmp_buf, int);
-void siglongjmp (sigjmp_buf, int);
+_Noreturn void siglongjmp (sigjmp_buf, int);
#endif
#if defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \
|| defined(_BSD_SOURCE)
int _setjmp (jmp_buf);
-void _longjmp (jmp_buf, int);
+_Noreturn void _longjmp (jmp_buf, int);
#endif