• cb_need_data() : gazebo_gst_camera_plugin.cpp
• copyPosition() : common.h
• get_lookup_table_val() : geo_mag_declination.cpp
• get_mag_declination() : geo_mag_declination.cpp , geo_mag_declination.h
• QuaternionFromSmallAngle() : common.h
• start_thread() : gazebo_gst_camera_plugin.cpp