Here are the data structures with brief descriptions:

CFD_C_ClassifyResult
CFD_C_Cstr
CFD_C_DetectionResult
CFD_C_Mask
CFD_C_OCRResult
CFD_C_OneDimArrayCstr
CFD_C_OneDimArrayFloat
CFD_C_OneDimArrayInt32
CFD_C_OneDimArrayInt64
CFD_C_OneDimArrayInt8
CFD_C_OneDimArraySize
CFD_C_OneDimArrayUint8
CFD_C_OneDimClassifyResult
CFD_C_OneDimDetectionResult
CFD_C_OneDimMask
CFD_C_OneDimMat
CFD_C_OneDimOCRResult
CFD_C_OneDimSegmentationResult
CFD_C_RuntimeOptionWrapper
CFD_C_SegmentationResult
CFD_C_ThreeDimArrayInt32
CFD_C_TwoDimArrayFloat
CFD_C_TwoDimArrayInt32
CFD_C_TwoDimArrayInt8
CFD_C_TwoDimArraySize