Function xmlSetNsProp 

#[unsafe(no_mangle)]
pub unsafe extern "C" fn xmlSetNsProp(
    node: *mut _xmlNode,
    ns: *mut _xmlNs,
    name: *const xmlChar,
    value: *const xmlChar,
) -> *mut _xmlAttr

Set a namespaced property.

UPSTREAM-PARITY

xmlAttrPtr xmlSetNsProp(xmlNodePtr node, xmlNsPtr ns,
                        const xmlChar *name, const xmlChar *value);