/* Whether this is what all systems want or not, this is what
appears to be assumed in the source, for example data.c:arith_error. */
-typedef RETSIGTYPE (*signal_handler_t) (int);
+typedef RETSIGTYPE (*signal_handler_t) (/*int*/);
-signal_handler_t sys_signal (int signal_number, signal_handler_t action);
-int sys_sigpause (sigset_t new_mask);
-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 (/*int signal_number, signal_handler_t action*/);
+int sys_sigpause (/*sigset_t new_mask*/);
+sigset_t sys_sigblock (/*sigset_t new_mask*/);
+sigset_t sys_sigunblock (/*sigset_t new_mask*/);
+sigset_t sys_sigsetmask (/*sigset_t new_mask*/);
#define sys_sigdel(MASK,SIG) sigdelset (&MASK,SIG)