ND100: Added void in function declarations, removed unused function ffs

ND100/nd100_cpu.c

@@ -168,7 +168,7 @@ DEVICE cpu_dev = {
 };
 
 t_stat
-sim_instr()
+sim_instr(void)
 {
         int IR;
         int reason;
@@ -1525,7 +1525,7 @@ nd_tra(int reg)
 }
 
 int
-highest_level()
+highest_level(void)
 {
         int i, d = pid & pie;
 
@@ -1551,19 +1551,6 @@ fls(int msk)
         return -1;
 }
 
-int
-ffs(mask)
-        register int mask;
-{
-        register int bit;
-
-        if (mask == 0)
-                return(0);
-        for (bit = 1; !(mask & 1); bit++)
-                mask >>= 1;
-        return(bit);
-}
-
 /*
  * Post an internal interrupt for the given source.
  */

ND100/nd100_mm.c

@@ -172,7 +172,7 @@ wrmem(int vaddr, int val/* , int how*/)
 }
 
 void
-mm_wrpcr()
+mm_wrpcr(void)
 {
         if (ISDIS())
                 return;
@@ -180,7 +180,7 @@ mm_wrpcr()
 }
 
 void
-mm_rdpcr()
+mm_rdpcr(void)
 {
         if (ISDIS())
                 return;