/^drawgen/ s/char\*, Dirtab\*, int,/char *_, Dirtab *__, int ___,/,s/(Memimage\*,/(Memimage *m,/,s/(next = ds->next)/(&)/,s/(next = d->next)/(&)/,s/(next = cs->next)/(&)//^makescreenimage/+2i	void *X;./attachscreen/ s/);/, \&X);//allocmemimaged/ s/md)/md, X)/,s/(r = cl->refresh)/(&)//^drawwrite/ s/vlong)/vlong _)/g/SET(s,q,p)/dg/USED/dg/^	int s;/d/screen.h"/a #define blankscreen(x)#define ishwimage(x) (0)./^drawlookupscreen/;#/	return 0/ s/return 0/for(;;)/g/Edepth/d/l = dimage->image;/d-1i	l = dimage->image;	dimage->dscreen = nil;	/* paranoia */	dimage->image = nil;./^drawattach/;#/initscreenimage/s/(.*)/(!conf.monitor || !initscreenimage())//freememimage(dimage->image);/ s/dimage->image/l/,s/dunlock/drawqunlock/g,s/candlock/drawcanqlock/g,s/dlock(/drawqlock(/g,s;MACHP(0)->ticks;msec()/1000;g/^drawqlock/-1 s/static ///^drawqunlock/-1 s/static ///^drawcanqlock/-1 s/static //$a /* why is this here? why can't caller use drawqlock himself? */voiddrawflushr(Rectangle r){	drawqlock();	flushmemscreen(r);	drawqunlock();} voiddrawreplacescreenimage(Memimage *m){	int i;	DImage *di; 	if(screendimage == nil)		return; 	/*	 * Replace the screen image because the screen	 * was resized.  Clients still have references to the	 * old screen image, so we can't free it just yet.	 */	drawqlock();	di = allocdimage(m);	if(di == nil){		print("no memory to replace screen image\n");		freememimage(m);		drawqunlock();		return;	}		/* Replace old screen image in global name lookup. */	for(i=0; i<sdraw.nname; i++){		if(sdraw.name[i].dimage == screendimage)		if(sdraw.name[i].client == nil){			sdraw.name[i].dimage = di;			break;		}	} 	drawfreedimage(screendimage);	screendimage = di;	screenimage = m; 	/*	 * Every client, when it starts, gets a copy of the	 * screen image as image 0.  Clients only use it 	 * for drawing if there is no /dev/winname, but	 * this /dev/draw provides a winname (early ones	 * didn't; winname originated in rio), so the	 * image only ends up used to find the screen	 * resolution and pixel format during initialization.	 * Silently remove the now-outdated image 0s.	 */	for(i=0; i<sdraw.nclient; i++){		if(sdraw.client[i] && !waserror()){			drawuninstall(sdraw.client[i], 0);			poperror();		}	} 	drawqunlock();	mouseresize();}.