heif_image_handle_get_number_of_metadata_blocks  486 libheif-1.3.2/libheif/heif.h int heif_image_handle_get_number_of_metadata_blocks(const struct heif_image_handle* handle,
heif_image_handle_get_number_of_metadata_blocks  596 libheif-1.3.2/libheif/heif_cxx.h     int nBlocks = heif_image_handle_get_number_of_metadata_blocks(m_image_handle.get(),