signal now deals with void functions

lang/cem/libcc/gen/sleep.c

@@ -4,7 +4,7 @@
 
 static jmp_buf	setjmpbuf;
 
-static
+static void
 alfun(){
 	longjmp(setjmpbuf, 1);
 }		/* used with sleep() below */
@@ -14,7 +14,7 @@ sleep(n)
 {
 /* sleep(n) pauses for 'n' seconds by scheduling an alarm interrupt. */
 	unsigned oldalarm;
-	int (*oldsig)();
+	void (*oldsig)();
 
   if (n <= 0) return;
   if (setjmp(setjmpbuf)) {

lang/cem/libcc/mon/signal.c

@@ -1,7 +1,7 @@
 /* $Header$ */
 #include <signal.h>
 
-typedef int (*callvec)() ;
+typedef void (*callvec)() ;
 
 static callvec vector[16] = {
       SIG_DFL, SIG_DFL, SIG_DFL, SIG_DFL, SIG_DFL, SIG_DFL, SIG_DFL, SIG_DFL,