Index: prolog/croot.c
===================================================================
--- prolog/croot.c	(revision 6262b5c7974b08ad57f56d797cf7106c80531276)
+++ prolog/croot.c	(revision b28a12ef97b945387f5b106a616f46d89ccff6b6)
@@ -15,20 +15,9 @@
 #define	ROOTMSG	"{Buchla 700 Croot - Version 8 - 1987-06-29}"
 
-#define	_FS_DEF_		/* to avoid unnecessary externals */
-
-#include "all.h"
+#include "ram.h"
 
 #define	REDIRECT	0	/* non-zero for command line stuff */
 
 #define	MAXARGS		30	/* maximum number of command line arguments */
-
-extern	int16_t	open(int8_t *name, int16_t flag, int16_t mode);
-extern	int16_t	creat(int8_t *name, int16_t mode);
-
-extern	void	InitFS(void);
-extern	void	_fd_cls(void);
-extern	void	xtrap15(void);
-
-extern	void main(void);
 
 int16_t (*_clsall)();