-static void trail_alloc( trail_system *sys, u32 max );
-static void trail_system_update( trail_system *sys, f32 dt,
- v3f co, v3f normal, f32 alpha );
-static void trail_system_debug( trail_system *sys );
-static void trail_system_prerender( trail_system *sys );
-static void trail_system_render( trail_system *sys, camera *cam );
-
-#endif /* TRAIL_H */
+void trail_alloc( trail_system *sys, u32 max );
+void trail_system_update( trail_system *sys, f32 dt, v3f co,
+ v3f normal, f32 alpha );
+void trail_system_debug( trail_system *sys );
+void trail_system_prerender( trail_system *sys );
+void trail_system_render( trail_system *sys, vg_camera *cam );