#define SIGEMPTYMASK (empty_mask)
#define SIGFULLMASK (full_mask)
extern sigset_t empty_mask, full_mask;
+extern void init_signals P_ ((void));
/* POSIX pretty much destroys any possibility of writing sigmask as a
macro in standard C. We always define our own version because the
appears to be assumed in the source, for example data.c:arith_error. */
typedef RETSIGTYPE (*signal_handler_t) (/*int*/);
-signal_handler_t sys_signal (/*int signal_number, signal_handler_t action*/);
-sigset_t sys_sigblock (/*sigset_t new_mask*/);
-sigset_t sys_sigunblock (/*sigset_t new_mask*/);
-sigset_t sys_sigsetmask (/*sigset_t new_mask*/);
+signal_handler_t sys_signal P_ ((int signal_number, signal_handler_t action));
+sigset_t sys_sigblock P_ ((sigset_t new_mask));
+sigset_t sys_sigunblock P_ ((sigset_t new_mask));
+sigset_t sys_sigsetmask P_ ((sigset_t new_mask));
#define sys_sigdel(MASK,SIG) sigdelset (&MASK,SIG)