Function libxml::bindings::xmlTextWriterWriteFormatElementNS

pub unsafe extern "C" fn xmlTextWriterWriteFormatElementNS(
    writer: xmlTextWriterPtr, 
    prefix: *const xmlChar, 
    name: *const xmlChar, 
    namespaceURI: *const xmlChar, 
    format: *const c_char,
     ...
) -> c_int