GENGL.H

#include "glos.h" 
#include <gl.h> 
#include <glu.h> 
#include "genglrc.h" 
 
#define WM_INITWM_USER 
 
GLvoid initialize(HWND); 
GLvoid draw_scene(HWND); 
GLvoid resize(HWND); 
BOOL bSetupPixelFormat(HDC);