#define __restrict
#endif
+#if __STDC_VERSION__ >= 201112L
+#elif defined(__GNUC__)
+#define _Noreturn __attribute__((__noreturn__))
+#else
+#define _Noreturn
+#endif
+
#define STDIN_FILENO 0
#define STDOUT_FILENO 1
#define STDERR_FILENO 2
int execvp(const char *, char *const []);
int execlp(const char *, const char *, ...);
int fexecve(int, char *const [], char *const []);
-void _exit(int);
+_Noreturn void _exit(int);
pid_t getpid(void);
pid_t getppid(void);