6 typedef struct _actlist
15 actlist_t* actlist_new();
16 void actlist_destroy(actlist_t*a);
17 int actlist_size(actlist_t*a);
18 void actlist_verify(actlist_t*a, int32_t y);
19 void actlist_dump(actlist_t*a, int32_t y);
20 segment_t* actlist_find(actlist_t*a, point_t p1, point_t p2); // finds segment immediately to the left of p1 (breaking ties w/ p2)
21 void actlist_insert(actlist_t*a, point_t p1, point_t p2, segment_t*s);
22 void actlist_delete(actlist_t*a, segment_t*s);
23 void actlist_swap(actlist_t*a, segment_t*s1, segment_t*s2);
24 segment_t* actlist_left(actlist_t*a, segment_t*s);
25 segment_t* actlist_leftmost(actlist_t*a);
26 segment_t* actlist_rightmost(actlist_t*a);
27 segment_t* actlist_right(actlist_t*a, segment_t*s);