Function bdk_chain::bitcoin::secp256k1::ffi::secp256k1_xonly_pubkey_tweak_add
pub unsafe extern "C" fn secp256k1_xonly_pubkey_tweak_add(
cx: *const Context,
output_pubkey: *mut PublicKey,
internal_pubkey: *const XOnlyPublicKey,
tweak32: *const u8
) -> i32