Function libstrophe_sys_bindgen::xmpp_stanza_get_child_by_name_and_ns

pub unsafe extern "C" fn xmpp_stanza_get_child_by_name_and_ns(
    stanza: *mut xmpp_stanza_t, 
    name: *const c_char, 
    ns: *const c_char
) -> *mut xmpp_stanza_t