diff --git a/src/pike_types.c b/src/pike_types.c
index 0064cea231504d9b463e7c3a43613e99830c7919..53511ee460fb52326f621fb44317a5f3a4901d36 100644
--- a/src/pike_types.c
+++ b/src/pike_types.c
@@ -4,7 +4,7 @@
 ||| See the files COPYING and DISCLAIMER for more information.
 \*/
 #include "global.h"
-RCSID("$Id: pike_types.c,v 1.36 1998/03/26 00:51:37 hubbe Exp $");
+RCSID("$Id: pike_types.c,v 1.37 1998/04/09 02:47:47 hubbe Exp $");
 #include <ctype.h>
 #include "svalue.h"
 #include "pike_types.h"
@@ -63,7 +63,7 @@ struct pike_string *any_type_string;
 
 static struct pike_string *a_markers[10],*b_markers[10];
 
-static void clear_markers()
+static void clear_markers(void)
 {
   unsigned int e;
   for(e=0;e<NELEM(a_markers);e++)
diff --git a/src/threads.c b/src/threads.c
index c1eeddbdbc77b66436ffcb5558b87afa7500edcb..6f927577cf665bab7933c7da8b89b58b85c46db6 100644
--- a/src/threads.c
+++ b/src/threads.c
@@ -1,5 +1,5 @@
 #include "global.h"
-RCSID("$Id: threads.c,v 1.66 1998/04/06 04:12:05 hubbe Exp $");
+RCSID("$Id: threads.c,v 1.67 1998/04/09 02:48:40 hubbe Exp $");
 
 int num_threads = 1;
 int threads_disabled = 0;
@@ -179,7 +179,7 @@ void init_threads_disable(struct object *o)
 
 static struct thread_state *thread_table_chains[THREAD_TABLE_SIZE];
 
-void thread_table_init()
+void thread_table_init(void)
 {
   INT32 x;
   for(x=0; x<THREAD_TABLE_SIZE; x++)
@@ -885,7 +885,7 @@ static void *farm(void *_a)
   } while(1);
 }
 
-int th_num_idle_farmers()
+int th_num_idle_farmers(void)
 {
   int q = 0;
   struct farmer *f = farmers;