Function bdk_chain::bitcoin::secp256k1::ffi::secp256k1_xonly_pubkey_from_pubkey
pub unsafe extern "C" fn secp256k1_xonly_pubkey_from_pubkey(
cx: *const Context,
xonly_pubkey: *mut XOnlyPublicKey,
pk_parity: *mut i32,
pubkey: *const PublicKey
) -> i32