Function spatialite_sys::gaiaXmlBlobGetParentId

pub unsafe extern "C" fn gaiaXmlBlobGetParentId(
    blob: *const c_uchar, 
    size: c_int
) -> *mut c_char

Return the ParentIdentifier from a valid XmlBLOB buffer

\param blob pointer to the XmlBLOB buffer. \param size XmlBLOB's size (in bytes).

\return the ParentIdentifier for any valid XmlBLOB containing a ParentIdentifier; NULL in any other case.

\sa gaiaIsIsoMetadataXmlBlob, gaiaXmlBlobSetParentId, gaiaXmlBlobAddParentId

\note the returned ParentIdentifier corresponds to dynamically allocated memory: so you are responsible to free() it before or after.