contract ERC223ReceivingContract {

    /// @dev Function that is called when a user or another contract wants to transfer funds.
    /// @param _from Transaction initiator, analogue of msg.sender
    /// @param _value Number of tokens to transfer.
    /// @param _data Data containig a function signature and/or parameters
    function tokenFallback(address _from, uint256 _value, bytes _data) public;
}
/// @title ERC223ReceivingContract - Standard contract implementation for compatibility with ERC223 tokens.
function tokenFallback(address _from, uint256 _value, bytes _data) public;
/// @dev Function that is called when a user or another contract wants to transfer funds.
/// @param _from Transaction initiator, analogue of msg.sender
/// @param _value Number of tokens to transfer.
/// @param _data Data containig a function signature and/or parameters