5 extern struct tunnel_state * InitTunnel(void);
6 extern void DrawTunnel(struct tunnel_state *,
7 int do_texture, int do_light, GLuint *textures);
8 extern void SplashScreen(struct tunnel_state *,
9 int do_wire, int do_texture, int do_light);
10 extern void FreeTunnel(struct tunnel_state *);