#include <stdio.h>
#include <X11/Xlib.h>
#include <X11/Xlibint.h>
#include <X11/Xproto.h>
#include <X11/Xatom.h>
#include <X11/extensions/Xrandr.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <math.h>

int main(void)
{
    int size = -1;
    int rotation = 1;
    int screen = -1;
    char          *display_name = NULL;
    Display     *dpy;
    Window      root;
    XRRScreenConfiguration *sc;
    Rotation current_rotation;

    dpy = XOpenDisplay (display_name);

    screen = DefaultScreen (dpy);
    root = RootWindow (dpy, screen);

    sc = XRRGetScreenInfo (dpy, root);

    if (sc == NULL)
        exit (1);
    size = XRRConfigCurrentConfiguration (sc, &current_rotation);

    XRRSetScreenConfig(dpy, sc, DefaultRootWindow(dpy), (SizeID) size, (Rotation) rotation, CurrentTime);

    return 0;
}