game.h

#ifndef GAME_H_
#define GAME_H_

// The main logic of the Connect 4 game. The game rules are in these functions.

// Create an empty board.
void InitializeBoard(int board[6][7]);

// Draws the game board
void DrawBoard(const int board[6][7], int column);

// Play a piece by player at column.
// Returns false if the move is invalid.
bool Drop(int board[6][7], int player, int column);

// Returns 0 if no winner yet.
// Returns -1 if draw.
// Returns 1 if player 1 has won.
// Returns 2 if player 2 has won.
int Winner(const int board[6][7]);

#endif