diff --git a/arogue5/rogue.h b/arogue5/rogue.h
index 9be0567..38ae143 100644
--- a/arogue5/rogue.h
+++ b/arogue5/rogue.h
@@ -1165,6 +1165,7 @@ void    use_mm(int which);
 char   *vowelstr(char *str);
 void    wait_for(WINDOW *win, char ch);
 struct linked_list *wake_monster(int y, int x);
+void    wanderer(void);
 void    waste_time(void);
 char   *weap_name(struct object *obj);
 void    wear(void);
diff --git a/rogue4/state.c b/rogue4/state.c
index 07f10fd..13e95c3 100644
--- a/rogue4/state.c
+++ b/rogue4/state.c
@@ -70,6 +70,9 @@
 #define READSTAT ((format_error == 0) && (read_error == 0))
 #define WRITESTAT (write_error == 0)
 
+int rs_write_int(FILE *savef, int c);
+int rs_read_int(int inf, int *i);
+
 int read_error   = FALSE;
 int write_error  = FALSE;
 int format_error = FALSE;
@@ -1533,7 +1536,7 @@ rs_write_thing(FILE *savef, THING *t)
     return(WRITESTAT);
 }
 
-int
+void
 rs_fix_thing(THING *t)
 {
     THING *item;
diff --git a/srogue/rogue.h b/srogue/rogue.h
index 9c5adec..a003572 100644
--- a/srogue/rogue.h
+++ b/srogue/rogue.h
@@ -565,7 +565,7 @@ struct monlev {
 struct linked_list {
 	struct linked_list *l_next;
 	struct linked_list *l_prev;
-	char *l_data;			/* Various structure pointers */
+	void *l_data;			/* Various structure pointers */
 };