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#include <stdio.h>
#include <X11/Xlib.h>
#include <X11/extensions/Xrender.h>
int main (int argc, char *argv[])
{
Display *display;
int event = 999999999, error = 9999999;
putenv ("DISPLAY=:2");
display = XOpenDisplay (NULL);
printf ("dpy %p\n", display);
XSynchronize (display, True);
sleep (15);
printf ("%d\n", XRenderQueryExtension (display, &event, &error));
/* { */
/* Window focus; */
/* int revert; */
/* XGetInputFocus (display, &focus, &revert); */
/* } */
XCloseDisplay (display);
return 0;
}
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