color.c


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

#define START_COLOR 0xffffff

int main() {
  Display *display;
  Window window;
  int screen;


  if((display = XOpenDisplay(NULL)) == NULL) {
    printf("There was an error opening the screen: %s\n", strerror(errno));
    exit(errno);
  }
  
  screen = DefaultScreen(display);

  window = XCreateSimpleWindow(
      display,
      RootWindow(display, screen),
      10, 10,
      1000, 1000,
      0,
      BlackPixel(display, screen),
      WhitePixel(display, screen));
      
  XMapWindow(display, screen);
  XFlush(display);


}