#include <stdio.h>
#include <stdlib.h>
#include <X11/Xlib.h>

int main() {
  Display *display;
  Window   win;

  // Opens connection to X server
  display = XOpenDisplay(NULL);

  // Create a simple window
  win = XCreateSimpleWindow(display,                 // our connection to server
			    RootWindow(display, 0),  // parent window (none in this example)
			    0, 0,	             // x,y (w.r.t. parent ... ignored here)
			    300,150,	             // width, height
			    0, 		             // border width
			    0x000000,                // border color (ignored in this example)
                            0xFFDD00);               // background color

  // Set the name of the window
  XStoreName(display, win, "My First X Window");

  // Make it visible
  XMapWindow(display, win);
  XFlush(display);

  // Wait until the user presses a key on the keyboard
  getchar();

  // Clean up and close the window
  XUnmapWindow(display, win);
  XDestroyWindow(display, win);
  XCloseDisplay(display);
}