gistfile1.cpp

// Tile.cpp
int* Tile::getWalkable()
{
  int* walkable = new int[4];

  // Do some stuff, add 4 values to walkable

  return walkable;
}

// Some other file
int* walkable = tile->getWalkable();
myPathfindingNode->setWalkable(walkable);

// PathfindingNode.cpp
void setWalkable(int* walkable)
{
  mWalkable[0] = walkable[0];
  mWalkable[0] = walkable[0];
  mWalkable[0] = walkable[0];
}