Function secp256k1_zkp_sys::recovery::secp256k1_ecdsa_recoverable_signature_serialize_compact

pub unsafe extern "C" fn secp256k1_ecdsa_recoverable_signature_serialize_compact(
    cx: *const Context,
    output64: *mut u8,
    recid: *mut i32,
    sig: *const RecoverableSignature
) -> i32