liboscore_msgbackend

Function oscore_msg_native_append_option

Source 
#[unsafe(no_mangle)]
pub extern "C" fn oscore_msg_native_append_option(
    msg: oscore_msg_native_t,
    option_number: u16,
    value: *const u8,
    value_len: usize,
) -> oscore_msgerr_native_t