Here is a list of all documented struct and union fields with links to the struct/union documentation for each field:

• APP02 : mpo_compress_struct , mpo_decompress
• attributes : MPExt_Data
• AxisDistanceX : MPExt_ImageAttr
• AxisDistanceY : MPExt_ImageAttr
• AxisDistanceZ : MPExt_ImageAttr
• byte_order : MPExt_Data
• count : MPExt_Data
• count_attr_IFD : MPExt_Data
• EntryIndex : MPExt_Data
• first_IFD_offset : MPExt_Data
• images_data : mpo_compress_struct
• IndividualNum : MPExt_ImageAttr
• is_specified : MPExt_ImageAttr
• MPentry : MPExt_Data
• MPF_identifier : MPExt_Data
• nextIFDOffset : MPExt_Data
• numberOfImages : MPExt_Data
• PanOrientation : MPExt_ImageAttr
• PanOverlapH : MPExt_ImageAttr
• PanOverlapV : MPExt_ImageAttr
• PitchAngle : MPExt_ImageAttr
• RollAngle : MPExt_ImageAttr
• start_of_offset : MPExt_Data
• version : MPExt_Data
• YawAngle : MPExt_ImageAttr