typedef enum _user_def_name_1 Color_st0; typedef enum _user_def_name_2 ChildType_st1; typedef enum _user_def_name_3 Direction_st2; typedef struct quad_struct *QuadTree_st3; typedef char *malloc_t_st4; typedef enum _user_def_name_1 Color_st10; typedef enum _user_def_name_2 ChildType_st11; typedef enum _user_def_name_3 Direction_st12; typedef struct quad_struct *QuadTree_st13; typedef char *malloc_t_st14;