extern cvar_t vid_fullscreen;
extern cvar_t vid_width;
extern cvar_t vid_height;
extern cvar_t vid_bitsperpixel;
extern cvar_t vid_fullscreen;
extern cvar_t vid_width;
extern cvar_t vid_height;
extern cvar_t vid_bitsperpixel;
void *GL_GetProcAddress(const char *name);
int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent);
void *GL_GetProcAddress(const char *name);
int GL_CheckExtension(const char *name, const dllfunction_t *funcs, const char *disableparm, int silent);