ref: 4387ce1075d24530a5b6fbc476f4d27217af08c7
dir: /path/dat.h/
typedef struct Vertex Vertex; typedef struct Node Node; typedef struct PNode PNode; struct Vertex{ int x; int y; }; struct PNode{ int open; int closed; double g; double h; Node *to; Node *from; Pairheap *pq; }; struct Node{ int blocked; PNode; // generalize later }; extern Node *map; extern int mapwidth, mapheight; extern Node *selected; extern Node *start, *goal;