30     _point *pnt;  in create_set()
33     pnt = POP(_point);  in create_set()
42     _point *tmp;  in create_segment()
45     tmp = POP(_point);  in create_segment()
49     tmp = POP(_point);  in create_segment()
61     head->p = POP(_point);  in add_head_point()
71     tail->p = POP(_point);  in add_tail_point()
113     _point *val;  in extract_point()
121     get_mem(val, _point);  in extract_point()
147 _set *set_vertex(double x, double y, _point* O, double S, double C, double n)  in set_vertex()
161     _point *O;  in create_polygon()
166     O = POP(_point);  in create_polygon()
175     _point *cur;  in translate_set()
181 	get_mem(cur, _point);  in translate_set()
194     _point *cur;  in reflect_set()
202 	get_mem(cur, _point);  in reflect_set()
217     _point *O, *cur;  in symetric_set()
219     O = POP(_point);  in symetric_set()
222 	get_mem(cur, _point);  in symetric_set()
234     _point *O, *cur;  in rotate_set()
238     O = POP(_point);  in rotate_set()
243 	get_mem(cur, _point);  in rotate_set()
257     _point *O, *cur;  in homothetic_set()
261     O = POP(_point);  in homothetic_set()
264 	get_mem(cur, _point);  in homothetic_set()
325 void compute_centroid(_set *A, _set *B, _point *C)  in compute_centroid()
343     _point *C;  in create_centroid()
348     get_mem(C, _point);  in create_centroid()
364     _point *A, *B;  in segment_argument()
374     _point *A, *B, *C;  in vertex_angle()
377     C = POP(_point);  in vertex_angle()
378     B = POP(_point);  in vertex_angle()
379     A = POP(_point);  in vertex_angle()
389     _point *A, *B, *C;  in triangle_height()
392     C = POP(_point);  in triangle_height()
393     B = POP(_point);  in triangle_height()
394     A = POP(_point);  in triangle_height()