ref: b5baeb3dc3f2d6e45d0b2da3b2e82cad103c1789
dir: /path/dat.h/
typedef struct Vertex Vertex;
typedef struct Node Node;
struct Vertex{
int x;
int y;
};
struct Node{
int blocked;
};
extern Node *map;
extern int mapwidth, mapheight;
extern Node *selected;