src/include/structs.h

   1 /*******************************************************************************
   2  * Reverse Polish Notation calculator.                                         *
   3  * Copyright (c) 2007-2008, Samuel Fredrickson <kinghajj@gmail.com>            *
   4  * All rights reserved.                                                        *
   5  *                                                                             *
   6  * Redistribution and use in source and binary forms, with or without          *
   7  * modification, are permitted provided that the following conditions are met: *
   8  *     * Redistributions of source code must retain the above copyright        *
   9  *       notice, this list of conditions and the following disclaimer.         *
  10  *     * Redistributions in binary form must reproduce the above copyright     *
  11  *       notice, this list of conditions and the following disclaimer in the   *
  12  *       documentation and/or other materials provided with the distribution.  *
  13  *                                                                             *
  14  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER ``AS IS'' AND ANY EXPRESS *
  15  * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED           *
  16  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE      *
  17  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY        *
  18  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES  *
  19  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR          *
  20  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER  *
  21  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT          *
  22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY   *
  23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH *
  24  * DAMAGE.                                                                     *
  25  ******************************************************************************/
  26
  27 /*******************************************************************************
  28  *  Forward declarations of structures to help with circular dependency woes.  *
  29  ******************************************************************************/
  30
  31 #ifndef RPN_STRUCTS_H
  32 #define RPN_STRUCTS_H
  33
  34 struct RPNCalculator;
  35 typedef struct RPNCalculator RPNCalculator;
  36
  37 struct RPNCommands;
  38 typedef struct RPNCommands RPNCommands;
  39
  40 struct RPNCommand;
  41 typedef struct RPNCommand RPNCommand;
  42
  43 struct RPNHistory;
  44 typedef struct RPNHistory RPNHistory;
  45
  46 struct RPNNode;
  47 typedef struct RPNNode RPNNode;
  48
  49 struct RPNOperator;
  50 typedef struct RPNOperator RPNOperator;
  51
  52 struct RPNOperators;
  53 typedef struct RPNOperators RPNOperators;
  54
  55 struct RPNStack;
  56 typedef struct RPNStack RPNStack;
  57
  58 struct RPNTokens;
  59 typedef struct RPNTokens RPNTokens;
  60
  61 struct RPNVariable;
  62 typedef struct RPNVariable RPNVariable;
  63
  64 struct RPNVariables;
  65 typedef struct RPNVariables RPNVariables;
  66
  67 #endif // RPN_STRUCTS_H