ref: 4c3d65037517a27151f9961ac359fcbdc62bbc1d
dir: /app/path/dat.h/
extern Node *selected; extern Node *start, *goal; enum{ Pbfs, Pdijkstra, Pa∗, }; extern int (*pathfn)(Node*, Node*); extern int nscen, scenid; extern int nodesz; extern int showgrid;