#define DEFAULT_FONT	"-*-lucida-bold-r-normal-sans-*-250-*-*-*-*-*-*"
#define DEFAULT_LOCK_STRING	"This X display is locked. Please supply the password."

typedef struct ScreenInfo ScreenInfo;
struct ScreenInfo {
	Window window;
	GC gc;
	
	/* Screen dimensions. */
	int width, height;
	
	/* Pixel values. */
	unsigned long black, white;
};

/*	lock.c	*/
extern Display * dpy;
extern XFontStruct * font;
extern char * argv0;
extern int screen_count;
extern ScreenInfo * screens;
extern ScreenInfo * getScreenForWindow(Window);

/*	disp.c	*/
extern void dispatch(XEvent *);

/*	error.c	*/
extern int ignore_badwindow;
extern int ErrorHandler(Display *, XErrorEvent *);
extern void Panic(char *);

/*	password.c	*/
extern int check_password(char *);

/*	resource.c	*/
extern char * font_name;
extern char * lock_string;
extern void get_resources();