#[unsafe(no_mangle)]pub unsafe extern "C" fn polyxml_value_set_field(
record: *mut PolyXmlValue,
key: *const c_char,
child_val: *mut PolyXmlValue,
) -> PolyXmlErrorCode#[unsafe(no_mangle)]pub unsafe extern "C" fn polyxml_value_set_field(
record: *mut PolyXmlValue,
key: *const c_char,
child_val: *mut PolyXmlValue,
) -> PolyXmlErrorCode