#include <stdio.h>

#include <X11/Xlib.h>
#include <X11/extensions/xf86vmode.h>

int main(int argc, char *argv[], char *arge[]) 
{
  Bool retval;
  int dot_clock;
  XF86VidModeModeLine mode_line;
  double rate;
  Display *display;

  display = XOpenDisplay(NULL);

  retval = XF86VidModeGetModeLine(display, 0, &dot_clock, &mode_line);

  printf("dot_clock: %d\n", dot_clock);

  printf(" hdisplay: %d\n", mode_line.hdisplay);
  printf(" hsyncstart: %d\n", mode_line.hsyncstart);
  printf(" hsyncend: %d\n", mode_line.hsyncend);
  printf(" htotal: %d\n", mode_line.htotal);
  printf(" vdisplay: %d\n", mode_line.vdisplay);
  printf(" vsyncstart: %d\n", mode_line.vsyncstart);
  printf(" vsyncend: %d\n", mode_line.vsyncend);
  printf(" vtotal: %d\n", mode_line.vtotal);
  printf(" flags: %x\n", mode_line.flags);
  printf(" privsize: %d\n", mode_line.privsize);
  
  rate = (double)((double)(dot_clock * 1000.0) /
		  (double)(mode_line.htotal * mode_line.vtotal));
  printf("rate: %f\n", rate);

  return(0);
}