59     box *b = (box *)obj;  in box_bbox()  local
61     *min = b->min;  in box_bbox()
62     *max = b->max;  in box_bbox()
73     box *b;  in newbox()  local
75     b = (box *)rt_getmem(sizeof(box));  in newbox()
76     memset(b, 0, sizeof(box));  in newbox()
77     b->methods = &box_methods;  in newbox()
78     b->tex = (texture *)tex;  in newbox()
79     b->min = min;  in newbox()
80     b->max = max;  in newbox()
82     return b;  in newbox()
163     vector a, b, c;  in box_normal()  local
171     b = (*N);  in box_normal()
184         N->x = b.x;  in box_normal()
187         N->y = b.y;  in box_normal()
190         N->z = b.z;  in box_normal()