ref: e3f2bce8fd80c286f2dba6d063ad1df4d2d0e51d
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;