4 files changed, 10 insertions, 10 deletions
diff --git a/util/kconfig/lxdialog/util.c b/util/kconfig/lxdialog/util.c
index f7abdeb92a..69b2fb59ac 100644
--- a/util/kconfig/lxdialog/util.c
+++ b/util/kconfig/lxdialog/util.c
@@ -383,7 +383,7 @@ void print_autowrap(WINDOW * win, const char *prompt, int width, int y, int x)
 {
 	int newl, cur_x, cur_y;
 	int prompt_len, room, wlen;
-	char tempstr[MAX_LEN + 1], *word, *sp, *sp2, *newline_separator = 0;
+	char tempstr[MAX_LEN + 1], *word, *sp, *sp2, *newline_separator = NULL;
 
 	strcpy(tempstr, prompt);
 
diff --git a/util/kconfig/nconf.c b/util/kconfig/nconf.c
index f9944a64de..905dcd11bd 100644
--- a/util/kconfig/nconf.c
+++ b/util/kconfig/nconf.c
@@ -1078,7 +1078,7 @@ static int do_match(int key, struct match_state *state, int *ans)
 
 static void conf(struct menu *menu)
 {
-	struct menu *submenu = 0;
+	struct menu *submenu = NULL;
 	const char *prompt = menu_get_prompt(menu);
 	struct symbol *sym;
 	int res;
@@ -1245,7 +1245,7 @@ static void show_help(struct menu *menu)
 static void conf_choice(struct menu *menu)
 {
 	const char *prompt = _(menu_get_prompt(menu));
-	struct menu *child = 0;
+	struct menu *child = NULL;
 	struct symbol *active;
 	int selected_index = 0;
 	int last_top_row = 0;
diff --git a/util/kconfig/qconf.h b/util/kconfig/qconf.h
index a40036d1b0..676d88db3d 100644
--- a/util/kconfig/qconf.h
+++ b/util/kconfig/qconf.h
@@ -43,7 +43,7 @@ class ConfigList : public QTreeWidget {
 	Q_OBJECT
 	typedef class QTreeWidget Parent;
 public:
-	ConfigList(ConfigView* p, const char *name = 0);
+	ConfigList(ConfigView* p, const char *name = NULL);
 	void reinit(void);
 	ConfigView* parent(void) const
 	{
@@ -209,7 +209,7 @@ class ConfigView : public QWidget {
 	Q_OBJECT
 	typedef class QWidget Parent;
 public:
-	ConfigView(QWidget* parent, const char *name = 0);
+	ConfigView(QWidget* parent, const char *name = NULL);
 	~ConfigView(void);
 	static void updateList(ConfigItem* item);
 	static void updateListAll(void);
@@ -242,7 +242,7 @@ class ConfigInfoView : public QTextBrowser {
 	Q_OBJECT
 	typedef class QTextBrowser Parent;
 public:
-	ConfigInfoView(QWidget* parent, const char *name = 0);
+	ConfigInfoView(QWidget* parent, const char *name = NULL);
 	bool showDebug(void) const { return _showDebug; }
 
 public slots:
@@ -272,7 +272,7 @@ class ConfigSearchWindow : public QDialog {
 	Q_OBJECT
 	typedef class QDialog Parent;
 public:
-	ConfigSearchWindow(ConfigMainWindow* parent, const char *name = 0);
+	ConfigSearchWindow(ConfigMainWindow* parent, const char *name = NULL);
 
 public slots:
 	void saveSettings(void);
diff --git a/util/kconfig/regex.c b/util/kconfig/regex.c
index 428653ca9d..a6d947fbd0 100644
--- a/util/kconfig/regex.c
+++ b/util/kconfig/regex.c
@@ -1090,12 +1090,12 @@ regex_compile (pattern, size, syntax, bufp)
      command.  This makes it possible to tell if a new exact-match
      character can be added to that command or if the character requires
      a new `exactn' command.  */
-  unsigned char *pending_exact = 0;
+  unsigned char *pending_exact = NULL;
 
   /* Address of start of the most recently finished expression.
      This tells, e.g., postfix * where to find the start of its
      operand.  Reset at the beginning of groups and alternatives.  */
-  unsigned char *laststart = 0;
+  unsigned char *laststart = NULL;
 
   /* Address of beginning of regexp, or inside of last group.  */
   unsigned char *begalt;
@@ -1107,7 +1107,7 @@ regex_compile (pattern, size, syntax, bufp)
   /* Address of the place where a forward jump should go to the end of
      the containing expression.  Each alternative of an `or' -- except the
      last -- ends with a forward jump of this sort.  */
-  unsigned char *fixup_alt_jump = 0;
+  unsigned char *fixup_alt_jump = NULL;
 
   /* Counts open-groups as they are encountered.  Remembered for the
      matching close-group on the compile stack, so the same register