--- Gnu-Mach/ddb/db_write_cmd.c	2020/09/02 04:45:46	1.1.1.3
+++ Gnu-Mach/ddb/db_write_cmd.c	2020/09/02 04:48:16	1.1.1.4
@@ -55,12 +55,12 @@ db_write_cmd(address, have_addr, count,
 	db_expr_t	address;
 	boolean_t	have_addr;
 	db_expr_t	count;
-	char *		modif;
+	const char *	modif;
 {
-	register db_addr_t	addr;
-	register db_expr_t	old_value;
+	db_addr_t	addr;
+	db_expr_t	old_value;
 	db_expr_t	new_value;
-	register int	size;
+	int		size;
 	boolean_t	wrote_one = FALSE;
 	boolean_t	t_opt, u_opt;
 	thread_t	thread;