#include <X11/Xlib.h>
#include <X11/Xmu/WinUtil.h>
#include <X11/Xatom.h>
#include <stdio.h>
#include <stdlib.h>

int main(int argc, char **argv)
{
	Display *display;
	Window owner;

	if ((display = XOpenDisplay(NULL)) == NULL) {
	  fprintf(stderr, "cannot open display\n");
	  exit(1);
	}

	Atom property;
	long long_offset, long_length;
	Bool delete;
	Atom req_type;
	Atom actual_type_return;
	int actual_format_return;
	unsigned long nitems_return;
	unsigned long bytes_after_return;
	unsigned char *prop_return;

	property = XA_PRIMARY;
	// SECONDARY
	long_offset = 0;
	long_length = 1024*1024;
	delete = 0;
	req_type = XA_STRING;

	owner = XGetSelectionOwner(display, property);
	XGetWindowProperty(display, owner, property, long_offset, long_length, delete, req_type, &actual_type_return, &actual_format_return, &nitems_return, &bytes_after_return, &prop_return);

	printf("%s", prop_return);

	XCloseDisplay(display);
	exit(0);
}