Function btck_transaction_output_get_script_pubkey 

pub unsafe extern "C" fn btck_transaction_output_get_script_pubkey(
    transaction_output: *const btck_TransactionOutput,
) -> *const btck_ScriptPubkey

@brief Get the script pubkey of the output. The returned script pubkey is not owned and depends on the lifetime of the transaction output.

@param[in] transaction_output Non-null. @return The script pubkey.