/*
 This program enables the NumLock.

 gcc numlock.c -o numlock -I/usr/X11R6/include -L/usr/X11R6/lib -lX11 -lXtst
*/
#include <X11/extensions/XTest.h>
#include <X11/keysym.h>

int main(void) {
	Display* disp = XOpenDisplay( NULL );
	if( disp == NULL )
		return 1;
	XTestFakeKeyEvent( disp, XKeysymToKeycode( disp, XK_Num_Lock), True, CurrentTime );
	XTestFakeKeyEvent( disp, XKeysymToKeycode( disp, XK_Num_Lock), False, CurrentTime );
	XCloseDisplay( disp );
	return 0;
}