Function xmlTextReaderLookupNamespace 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlTextReaderLookupNamespace(
    reader: *mut XmlTextReader,
    prefix: *const xmlChar,
) -> *mut xmlChar

Look up a namespace by prefix.

Returns a newly allocated string with the namespace URI, or NULL.

UPSTREAM-PARITY

xmlChar *xmlTextReaderLookupNamespace(xmlTextReaderPtr reader, const xmlChar *prefix);

Safety

reader and prefix must be valid pointers or NULL.