Function rsvg::xml::xml2_load::sax_start_element_ns_cb

unsafe extern "C" fn sax_start_element_ns_cb(
    user_data: *mut c_void,
    localname: *mut c_char,
    prefix: *mut c_char,
    uri: *mut c_char,
    _nb_namespaces: c_int,
    _namespaces: *mut *mut c_char,
    nb_attributes: c_int,
    _nb_defaulted: c_int,
    attributes: *mut *mut c_char
)