/*****************************************************************************  The following code is derived, directly or indirectly, from the SystemC  source code Copyright (c) 1996-2002 by all Contributors.  All Rights reserved.  The contents of this file are subject to the restrictions and limitations  set forth in the SystemC Open Source License Version 2.3 (the "License");  You may not use this file except in compliance with such restrictions and  limitations. You may obtain instructions on how to receive a copy of the  License at http://www.systemc.org/. Software distributed by Contributors  under the License is distributed on an "AS IS" basis, WITHOUT WARRANTY OF  ANY KIND, either express or implied. See the License for the specific  language governing rights and limitations under the License. *****************************************************************************//*****************************************************************************  fifo.h - This is the header file for the SystemC structure "fifo".  Original Author: Rashmi Goswami, Synopsys, Inc. *****************************************************************************//*****************************************************************************  MODIFICATION LOG - modifiers, enter your name, affiliation, date and  changes you are making here.      Name, Affiliation, Date:  Description of Modification: *****************************************************************************/struct fifo {   pkt regs[4];   bool full;   bool empty;   sc_uint<3> pntr;     // constructor   fifo()    {      full = false;      empty = true;      pntr = 0;    };  // methods      void pkt_in(const pkt& data_pkt);      pkt pkt_out();};