@@ -14,7 +14,7 @@ update_client_name(Client *c)
 {
 	XTextProperty name;
 	int n;
-	char **list = 0;
+	char **list = NULL;
 
 	name.nitems = 0;
 	c->name[0] = 0;

@@ -116,7 +116,7 @@ {
 	char **missing, *def;
 	int n;
 
-	missing = 0;
+	missing = NULL;
 	def = "?";
 	setlocale(LC_ALL, "");
 	if(font->set)
@@ -128,7 +128,7 @@ fprintf(stderr, "missing fontset: %s\n", missing[n]);
 		XFreeStringList(missing);
 		if(font->set) {
 			XFreeFontSet(dpy, font->set);
-			font->set = 0;
+			font->set = NULL;
 		}
 	}
 	if(font->set) {
@@ -151,7 +151,7 @@ }
 	else {
 		if(font->xfont)
 			XFreeFont(dpy, font->xfont);
-		font->xfont = 0;
+		font->xfont = NULL;
 		font->xfont = XLoadQueryFont(dpy, fontstr);
 		if (!font->xfont)
 			font->xfont = XLoadQueryFont(dpy, "fixed");

@@ -34,15 +34,15 @@ static Window win;
 static XRectangle rect;
 static Bool done = False;
 
-static Item *allitem = 0;	/* first of all items */
-static Item *item = 0;	/* first of pattern matching items */
-static Item *sel = 0;
-static Item *nextoff = 0;
-static Item *prevoff = 0;
-static Item *curroff = 0;
+static Item *allitem = NULL;	/* first of all items */
+static Item *item = NULL;	/* first of pattern matching items */
+static Item *sel = NULL;
+static Item *nextoff = NULL;
+static Item *prevoff = NULL;
+static Item *curroff = NULL;
 
 static int screen;
-static char *title = 0;
+static char *title = NULL;
 static char text[4096];
 static int ret = 0;
 static int nitem = 0;
@@ -107,7 +107,7 @@ cmdw = cwidth;
 	else
 		cmdw = twidth;
 
-	item = j = 0;
+	item = j = NULL;
 	nitem = 0;
 
 	for(i = allitem; i; i=i->next)
@@ -117,7 +117,7 @@ item = i;
 			else
 				j->right = i;
 			i->left = j;
-			i->right = 0;
+			i->right = NULL;
 			j = i;
 			nitem++;
 		}
@@ -129,7 +129,7 @@ item = i;
 			else
 				j->right = i;
 			i->left = j;
-			i->right = 0;
+			i->right = NULL;
 			j = i;
 			nitem++;
 		}
@@ -319,7 +319,7 @@ 
 static char *
 read_allitems()
 {
-	static char *maxname = 0;
+	static char *maxname = NULL;
 	char *p, buf[1024];
 	unsigned int len = 0, max = 0;
 	Item *i, *new;
@@ -336,7 +336,7 @@ max = len;
 		}
 
 		new = emalloc(sizeof(Item));
-		new->next = new->left = new->right = 0;
+		new->next = new->left = new->right = NULL;
 		new->text = p;
 		if(!i)
 			allitem = new;

@@ -20,8 +20,9 @@ Atom wm_atom[WMLast], net_atom[NetLast];
 Cursor cursor[CurLast];
 XRectangle rect, barrect;
 Bool running = True;
+Client *client = NULL;
 
-char *bartext;
+char *bartext, tag[256];
 int screen, sel_screen;
 unsigned int lock_mask, numlock_mask;
 
@@ -74,12 +75,11 @@ 
 	status = XGetWindowProperty(dpy, w, a, 0L, l, False, t, &real, &format,
 			&res, &extra, prop);
 
-	if(status != Success || *prop == 0) {
+	if(status != Success || *prop == NULL) {
 		return 0;
 	}
-	if(res == 0) {
+	if(res == 0)
 		free((void *) *prop);
-	}
 	return res;
 }
 
@@ -264,7 +264,7 @@ barwin = XCreateWindow(dpy, root, barrect.x, barrect.y,
 			barrect.width, barrect.height, 0, DefaultDepth(dpy, screen),
 			CopyFromParent, DefaultVisual(dpy, screen),
 			CWOverrideRedirect | CWBackPixmap | CWEventMask, &wa);
-	bartext = 0;
+	bartext = NULL;
 	XDefineCursor(dpy, barwin, cursor[CurNormal]);
 	XMapRaised(dpy, barwin);
 	draw_bar();

@@ -20,11 +20,10 @@ /* rects */
 enum { RFloat, RGrid, RLast };
 
 typedef struct Client Client;
-typedef struct Tag Tag;
 
 struct Client {
-	Tag *tag;
 	char name[256];
+	char tag[256];
 	int proto;
 	unsigned int border;
 	Bool fixedsize;
@@ -37,27 +36,21 @@ Client *next;
 	Client *snext;
 };
 
-struct Tag {
-	char name[256];
-	Client *stack;
-	XRectangle r;
-	Tag *next;
-	Tag *cnext;
-};
-
 extern Display *dpy;
 extern Window root, barwin;
 extern Atom wm_atom[WMLast], net_atom[NetLast];
 extern Cursor cursor[CurLast];
 extern XRectangle rect, barrect;
 extern Bool running;
+extern Bool grid;
 extern void (*handler[LASTEvent]) (XEvent *);
 
 extern int screen, sel_screen;
 extern unsigned int lock_mask, numlock_mask;
-extern char *bartext;
+extern char *bartext, tag[256];
 
 extern Brush brush;
+extern Client *client;
 
 /* bar.c */
 extern void draw_bar();