#[unsafe(no_mangle)]pub unsafe extern "C" fn polyxml_value_get_field(
val: *const PolyXmlValue,
key: *const c_char,
) -> *const PolyXmlValue#[unsafe(no_mangle)]pub unsafe extern "C" fn polyxml_value_get_field(
val: *const PolyXmlValue,
key: *const c_char,
) -> *const PolyXmlValue