Untitled

#include <X11/Xlib.h>
#include <X11/keysym.h>
#include <X11/extensions/XTest.h>
#include <stdio.h>
#include <stdlib.h>

int main(void){
        Display *display;
        unsigned int keycode;
        display = XOpenDisplay(":0.0");
        keycode = XKeysymToKeycode(display, XK_F11);
        XTestFakeKeyEvent(display, keycode, True, 0);
        XTestFakeKeyEvent(display, keycode, False, 0);
        XFlush(display);
}