/* gcc -o hidecursor `pkg-config --cflags --libs x11 xfixes` */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <signal.h>
#include <X11/Xlib.h>
#include <X11/extensions/Xfixes.h>

static Display* display;
static int stop;

static void sighandler(int sig) {
    stop = 1;
}

int main (int argc, char** argv)
{
    display = XOpenDisplay(NULL);
    signal(SIGINT, sighandler);

    XFixesHideCursor(display, DefaultRootWindow(display));
    XFlush(display);

    printf("waiting. Ctrl + C to continue\n");
    while(!stop) { }

    stop = 0;
    XFixesShowCursor(display, DefaultRootWindow(display));
    XFlush(display);

    printf("waiting. Ctrl + C to continue\n");

    while(!stop) { }

    XCloseDisplay(display);
    return Success;
}