Thread: Rate this code? what could i have done better?

Code:

#include <stdio.h>
#include <stdlib.h>


char setup_array();
void print_layout(char *numbers);
void start_game(int players, char *numbers);
int who_turn(int count);
int play();
void reset(char *numbers);






int main ()
{
    int players;
    char array [] = {'0','1','2','3','4','5','6','7','8','9'}; 
    char *numbers;
    numbers = array;
    printf ("Please enter number of players: ");
    scanf("%d", &players);
    print_layout(numbers);
    start_game(players, numbers);
    return 0;
}


void print_layout(char *numbers)
{
    printf ("---+---+---\n");
    printf (" %c | %c | %c |\n",numbers[1], numbers[2], numbers[3] );
    printf ("---+---+---\n");
    printf (" %c | %c | %c |\n",numbers[4], numbers[5], numbers[6] );
    printf ("---+---+---\n");
    printf (" %c | %c | %c |\n",numbers[7], numbers[8], numbers[9] );
    printf ("---+---+---\n");
}


char setup_array()
{
    return 0;
}


int play()
{
    int play;
    printf("Please enter the number you would like to play: ");
    scanf("%d", &play);
    system("clear");
    return play;
}


void start_game(int players, char *numbers)
{
    char turn1 = 'X';
    char play_again;
    int turn;
    int win = 0;
    int count = 1; 
    if (players == 2)
    {
        while (win < 1){
            if (who_turn(count) == 1)
                turn1 = 'X';
            else
                turn1 = 'O';
            numbers[play()] = turn1;
            print_layout(numbers);
            count ++;
            if ((numbers[1] == 'X' && numbers[2] == 'X' && numbers[3] == 'X') ||
                (numbers[4] == 'X' && numbers[5] == 'X' && numbers[6] == 'X') ||
                (numbers[7] == 'X' && numbers[8] == 'X' && numbers[9] == 'X') ||
                (numbers[1] == 'X' && numbers[4] == 'X' && numbers[7] == 'X') ||
                (numbers[2] == 'X' && numbers[5] == 'X' && numbers[8] == 'X') ||
                (numbers[3] == 'X' && numbers[6] == 'X' && numbers[9] == 'X') ||
                (numbers[1] == 'X' && numbers[5] == 'X' && numbers[9] == 'X') ||
                (numbers[3] == 'X' && numbers[5] == 'X' && numbers[7] == 'X') )
            {
                win = 1;
            }
            else if ((numbers[1] == 'O' && numbers[2] == 'O' && numbers[3] == 'O') ||
                (numbers[4] == 'O' && numbers[5] == 'O' && numbers[6] == 'O') ||
                (numbers[7] == 'O' && numbers[8] == 'O' && numbers[9] == 'O') ||
                (numbers[1] == 'O' && numbers[4] == 'O' && numbers[7] == 'O') ||
                (numbers[2] == 'O' && numbers[5] == 'O' && numbers[8] == 'O') ||
                (numbers[3] == 'O' && numbers[6] == 'O' && numbers[9] == 'O') ||
                (numbers[1] == 'O' && numbers[5] == 'O' && numbers[9] == 'O') ||
                (numbers[3] == 'O' && numbers[5] == 'O' && numbers[7] == 'O') )
            {
                win = 2;
            }
 


        }
        if (win == 1)
            printf("\n\nPlayer 1 Wins!!!!!!!!!!!!!!!!!\n\n");
        else if (win == 2)
            printf("\n\nPlayer 2 Wins!!!!!!!!!!!!!!!!!\n\n");
    }
    getchar();
    printf("Do you want to play again (Y or N): ");
    scanf("%c", &play_again);
    if (play_again == 'Y' || play_again == 'y')
    {   
        win = 0;
        count = 0;   
        reset(numbers);
    }
    else
        exit(0);


}


int who_turn(int count)
{
    if (count % 2 == 0)
        return 2;
    else
        return 1;
}


void reset(char *numbers)
{
    char array [] = {'0','1','2','3','4','5','6','7','8','9'}; 
    numbers = array;
    print_layout(numbers);
    start_game(2, numbers);
}