#include <X11/Xlib.h>
#include <X11/XKBlib.h>
#include <X11/extensions/XKB.h>
#include <stdio.h>

int main()
{
	Display *xkbdpy;
        int major, minor, error;

        major = XkbMajorVersion;
        minor = XkbMinorVersion;

        int evBase, errBase;

        if ((xkbdpy = XkbOpenDisplay(NULL, &evBase, &errBase, &major, &minor, &error)) == NULL) {
                fprintf(stderr, "XkbOpenDisplay() failed\n");
                return 1;
        }

        int i1;
        if (!XkbQueryExtension(xkbdpy,&i1,&evBase,&errBase,&major,&minor)) {
                fprintf(stderr, "XKB not supported by X-server\n");
                return 1;
        }

	XkbSelectEvents(xkbdpy, XkbUseCoreKbd, XkbMapNotifyMask, XkbMapNotifyMask);

	while (1) {
		XEvent ev;
		XNextEvent(xkbdpy, &ev);
		printf("recv event of type %d\n", ev.type);
	}
}