Function xmlTextWriterWriteAttributeNS 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlTextWriterWriteAttributeNS(
    writer: *mut XmlTextWriter,
    prefix: *const xmlChar,
    name: *const xmlChar,
    nsURI: *const xmlChar,
    content: *const xmlChar,
) -> c_int

Write a namespaced attribute.

UPSTREAM-PARITY

int xmlTextWriterWriteAttributeNS(xmlTextWriterPtr writer,
                                   const xmlChar *prefix,
                                   const xmlChar *name,
                                   const xmlChar *nsURI,
                                   const xmlChar *content);

SAFETY

• writer must be a valid pointer to an XmlTextWriter or NULL.
• prefix, name, nsURI, content must be valid null-terminated strings or NULL.