• main() : autonomous_exploration.cpp , test_spin_image_local.cpp , pointcloud_registration_node.cpp
• pclSort() : pointcloud_registration_node.cpp
• pclUnique() : pointcloud_registration_node.cpp
• PLUGINLIB_DECLARE_CLASS() : pointcloud_registration_nodelet.cpp
• POINT_CLOUD_REGISTER_POINT_STRUCT() : pointcloud_registration_point_types.h