/*
 * file mr.c
 * a program to play the game mini-Renju
 ...
 */


/* INCLUDES */
#include <stdio.h>
#include <string.h>
#include "genlib.h"
...


/* DEFINED CONSTANTS */

#define BoardSize 10                   /* we'll use a 10x10 board */
#define MaxMoves 100                   /* on which there are 100 cells */
...


/* NEW TYPE DEFINITIONS */ 

typedef enum {Black,White} player;     /* two players - Black and White */
...


/* PRIVATE GLOBAL VARIABLES */

static bool done = FALSE;              /* is the game over? */
static bool autoPrinting = FALSE;      /* automatically print board? */
static player currentPlayer = Black;   /* who plays next? */
static int nextMove = 0;               /* number of the next move */
...

/* FUNCTION PROTOTYPES */

void printHello();                /* print initial welcome */
void printGoodBye();              /* say who won in how many moves */
void printPrompt();               /* print prompt showing who's to move */
void doCommand(char *cmd);               /* process a command line */
void doQmark ();                  /* print list of commands */
void doHelp ();                   /* print more detailed help */
void doBoard ();                  /* (print|board) print the board */
void doMove (int i, int j);       /* current player plays at (i,j) */
void doMoves ();                  /* print the move history */
void doUndo ();                   /* undo the last move  */
void doResign ();                 /* current player resigns */
void doQuit ();                   /* quit - no winner */
void doAutoBoard (char * onOrOff);/* process the autoboard x command */
void doUnknown (char * cmd);      /* complain about an unknow command */
void isWinningMove(int i, int j); /* was move i j a winning move */
...


/* THE MAIN FUNCTION */

void main {

  char cmdLine[128];
       
  printHello();

  while(!(done)) {
    printPrompt();
    gets(cmdLine);
    doCommand(cmdLine);
  }

  printGoodBye();
}


/* THE FUNCTION DEFINITIONS */

void printHello() { ... }
...