X11lib-CTemplate

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

//Makefile: gcc -o window window.c -L/usr/X11R6/lib -lX11

int main(){

//Creates Window

Display *display;
Window window, rootwindow;
int screen;

display = XOpenDisplay(NULL);
screen = DefaultScreen(display);
rootwindow = RootWindow(display,screen);
window = XCreateSimpleWindow(display, rootwindow,0, 0, 100, 100, 1, 0, 0);
XMapWindow(display, window);
XFlush(display);

//End (Window)

//DrawLine Function:

XDrawLine(display, d, gc, x1, y1, x2, y2){
Display *display;
Drawable d;
GC gc;
int x1, y1, x2, y2;
}

//Close Window

sleep(10);
XCloseDisplay(display);

return 0;
}