void G3d_setNullValue(void *c, int nofElts, int type)
Fills the vector pointed to by c with nofElts NULL-values of type.
void G3d_setNullTile(G3D_Map *map, void *tile)
Is equivalent to G3d_setNullTileType (map, tile, G3d_fileTypeMap (map)).
void G3d_setNullTileType(G3D_Map *map, void *tile, int type)
Assumes that tile is a tile with the same dimensions as the tiles of map. Fills tile with NULL-values...