Index: rom/romp.c
===================================================================
--- rom/romp.c	(revision 2340de67b3c56bd94cf80e9427ab1a5dd59717cf)
+++ rom/romp.c	(revision 928d5d9d09dbaa2b035031c80d63924de987a1cb)
@@ -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 */
 };