ex4.c

   1 #!./tcc -run -L/usr/X11R6/lib -lX11
   2 #include <stdlib.h>
   3 /* Yes, TCC can use X11 too ! */
   4 #include <stdio.h>
   5 #include <X11/Xlib.h>
   6
   7 int main(int argc, char **argv)
   8 {
   9     Display *display;
  10     Screen *screen;
  11
  12     display = XOpenDisplay("");
  13     if (!display) {
  14         fprintf(stderr, "Could not open X11 display\n");
  15         exit(1);
  16     }
  17     printf("X11 display opened.\n");
  18     screen = XScreenOfDisplay(display, 0);
  19     printf("width = %d\nheight = %d\ndepth = %d\n",
  20            screen->width,
  21            screen->height,
  22            screen->root_depth);
  23     XCloseDisplay(display);
  24     return 0;
  25 }