pub unsafe extern "C" fn gexiv2_metadata_set_exif_thumbnail_from_buffer(
this: *mut GExiv2Metadata,
buffer: *const u8,
size: c_int
)pub unsafe extern "C" fn gexiv2_metadata_set_exif_thumbnail_from_buffer(
this: *mut GExiv2Metadata,
buffer: *const u8,
size: c_int
)