--- Gnu-Mach/ddb/db_lex.c	2020/09/02 04:43:17	1.1.1.2
+++ Gnu-Mach/ddb/db_lex.c	2020/09/02 04:45:50	1.1.1.3
@@ -27,15 +27,19 @@
  *	Author: David B. Golub, Carnegie Mellon University
  *	Date:	7/90
  */
-#include "mach_kdb.h"
+
 #if MACH_KDB
 
 /*
  * Lexical analyzer.
  */
+#include <string.h>
 #include <machine/db_machdep.h>
-#include <kern/strings.h>
+#include <ddb/db_command.h>
+#include <ddb/db_examine.h>
+#include <ddb/db_input.h>
 #include <ddb/db_lex.h>
+#include <ddb/db_output.h>
 
 char	db_line[DB_LEX_LINE_SIZE];
 char	db_last_line[DB_LEX_LINE_SIZE];
@@ -70,7 +74,7 @@ db_read_line(repeat_last)
 }
 
 void
-db_flush_line()
+db_flush_line(void)
 {
 	db_lp = db_line;
 	db_last_lp = db_lp;
@@ -111,7 +115,7 @@ db_restore_lex_context(lp)
 }
 
 int
-db_read_char()
+db_read_char(void)
 {
 	int	c;
 
@@ -141,7 +145,7 @@ db_unread_token(t)
 }
 
 int
-db_read_token()
+db_read_token(void)
 {
 	int	t;
 
@@ -163,7 +167,7 @@ char		db_tok_string[TOK_STRING_SIZE];
 db_expr_t	db_radix = 16;
 
 void
-db_flush_lex()
+db_flush_lex(void)
 {
 	db_flush_line();
 	db_look_char = 0;
@@ -173,11 +177,11 @@ db_flush_lex()
 #define	DB_DISP_SKIP	40		/* number of chars to display skip */
 
 void
-db_skip_to_eol()
+db_skip_to_eol(void)
 {
-	register skip;
-	register t;
-	register n;
+	register int skip;
+	register int t;
+	register int n;
 	register char *p;
 
 	t = db_read_token();
@@ -199,10 +203,10 @@ db_skip_to_eol()
 }
 
 int
-db_lex()
+db_lex(void)
 {
 	register char *cp;
-	register c;
+	register int c;
 
 	c = db_read_char();
 	while (c <= ' ' || c > '~') {