25c
#include <stdio.h>
#include <stdlib.h>
#include <X11/Xlib.h>

Display *d;

static void usage(int argc, char **argv)
{
    fprintf(stderr, "usage: %s [x y]\n", argv[0]);
    exit(1);
}

int main(int argc, char **argv)
{
    int x = 5000, y = 5000;

    if (argc > 1)  {
	if (argc < 3) 
	    usage(argc, argv);
	x = atoi(argv[1]);
	y = atoi(argv[2]);
    }
    if (! (d = XOpenDisplay(NULL))) {
	fprintf(stderr, "%s: Couldn't open display\n", argv[0]);
	exit(1);
    }
    XWarpPointer(d, None, DefaultRootWindow(d), 0, 0, 0, 0, x, y);
    XCloseDisplay(d);
    exit(0);
}
.

0