Function xmlTextReaderStandalone 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlTextReaderStandalone(
    reader: *mut XmlTextReader,
) -> c_int

Return the standalone flag of the document being read.

UPSTREAM-PARITY

Upstream xmlTextReaderStandalone returns the document’s standalone value (1 = standalone, 0 = not, -1 = no XML declaration / NULL reader).

int xmlTextReaderStandalone(xmlTextReaderPtr reader);

Safety

reader must be a valid pointer or NULL.