if (screen->cursor_blink > 0
if (screen->cursor_blink
StartBlinking(TScreen *screen){	if (screen->cursor_blink > 0	 && screen->cursor_timer == 0) {		unsigned long half = screen->cursor_blink / 2;		if (half == 0)		/* wow! */			half = 1;	/* let's humor him anyway */		screen->cursor_timer = XtAppAddTimeOut(			app_con,			half,			BlinkCursor,			screen);	}}