#include <X11/extensions/XTest.h>

int main(int argc, char **argv) {
	int keycode;
	Display *dpy = XOpenDisplay(NULL);
	if (!dpy) return 1;

	keycode = atoi(argv[1]);
	
	XTestFakeKeyEvent(dpy, keycode, 0, CurrentTime);
	XCloseDisplay(dpy);
	return 0;
}