#pragma once struct loentity_t; typedef struct loentity_t loentity_t; struct loentity_ground_t; typedef struct loentity_ground_t loentity_ground_t; struct loentity_bullet_t; typedef struct loentity_bullet_t loentity_bullet_t; struct loentity_character_t; typedef struct loentity_character_t loentity_character_t;