#include <ctype.h>#include <lib9.h>#include <draw.h>#include <cursor.h>#include "dat.h"#include "fns.h" int nwindow = 0; Window*newwin(char *label){	static int id = 0;	Window *w; 	if(!(w = mallocz(sizeof(Window), 1)))		return nil;	if(!(window = realloc(window, ++nwindow*sizeof(Window*))))		return nil;	window[nwindow-1] = w; 	w->id = ++id;	w->label = label;	return w;} voiddeletewin(Window *w){	int i; 	for(i = 0; i < nwindow; i++){		if(window[i] == w)			break;	}	if(i == nwindow)		return;	w->deleted++;	/*	 * Write pid of the process to the kill file.	 */	if(w->killr)		killrespond(w);	xdeletewin(w);	w->x = nil;	--nwindow;	memmove(window+i, window+i+1, (nwindow-i)*sizeof(Window*));} voidsetlabel(Window *w, char *label){	if(w->label)		free(w->label);	w->label = label;	xupdatelabel(w);}