Index: rom/romp.c
===================================================================
--- rom/romp.c	(revision 2340de67b3c56bd94cf80e9427ab1a5dd59717cf)
+++ rom/romp.c	(revision 4d04f4143232326b43d57a3143e02ff4e6aa164a)
@@ -119,6 +119,6 @@
 
 	int8_t	*cname;		/* command name pointer */
-	int16_t	(*cp)();	/* command parser function pointer */
-	int16_t	(*cx)();	/* command execution function pointer */
+	int16_t	(*cp)(void);	/* command parser function pointer */
+	int16_t	(*cx)(void);	/* command execution function pointer */
 	int8_t	*hstr;		/* help string pointer */
 };