}
__extern __sighandler_t __signal(int, __sighandler_t, int);
-__extern __sighandler_t signal(int, __sighandler_t);
+__extern __sighandler_t sysv_signal(int, __sighandler_t);
__extern __sighandler_t bsd_signal(int, __sighandler_t);
__extern int sigaction(int, const struct sigaction *, struct sigaction *);
__extern int sigprocmask(int, const sigset_t *, sigset_t *);