187 } edge_node;  typedef
192   edge_node          *first_bound;  /* Pointer to bound list             */
205   edge_node          *ie[2];        /* Intersecting edge (bundle) pair   */
212   edge_node          *edge;         /* Pointer to AET edge               */
277 static void insert_bound(edge_node **b, edge_node *e)  in insert_bound()
279   edge_node *existing_bound;  in insert_bound()
324 static edge_node **bound_list(lmt_node **lmt, double y)  in bound_list()
426 static edge_node *build_lmt(lmt_node **lmt, sb_tree **sbtree,  in build_lmt()
432   edge_node   *e, *edge_table;  in build_lmt()
438   MALLOC(edge_table, total_vertices * sizeof(edge_node),  in build_lmt()
439          "edge table creation", edge_node);  in build_lmt()
570 static void add_edge_to_aet(edge_node **aet, edge_node *edge, edge_node *prev)  in add_edge_to_aet()
619 static void add_intersection(it_node **it, edge_node *edge0, edge_node *edge1,  in add_intersection()
654 static void add_st_edge(st_node **st, it_node **it, edge_node *edge,  in add_st_edge()
704 static void build_intersection_table(it_node **it, edge_node *aet, double dy)  in build_intersection_table()
707   edge_node *edge;  in build_intersection_table()
852 static void add_local_min(polygon_node **p, edge_node *edge,  in add_local_min()
908 static void new_tristrip(polygon_node **tn, edge_node *edge,  in new_tristrip()
1121   edge_node     *edge, *prev_edge, *next_edge, *succ_edge, *e0, *e1;  in gpc_polygon_clip()
1122   edge_node     *aet= NULL, *c_heap= NULL, *s_heap= NULL;  in gpc_polygon_clip()
1780   edge_node     *edge, *prev_edge, *next_edge, *succ_edge, *e0, *e1;  in gpc_tristrip_clip()
1781   edge_node     *aet= NULL, *c_heap= NULL, *s_heap= NULL, *cf;  in gpc_tristrip_clip()