New Year Spl: The "CROSS & NOT ' Game

#include<conio.h>
#include<stdio.h>
#include<stdlib.h>
char matrix[3][3];
void cou(void);

void cou(void)
{
   printf("\n\t\t       1 2 3 \n\n");
   printf("\t\t   1  %c | %c | %c \n",matrix[0][0],matrix[0][1],matrix[0][2]);
   printf("\t\t     ---|---|---\n");
   printf("\t\t   2  %c | %c | %c \n",matrix[1][0],matrix[1][1],matrix[1][2]);
   printf("\t\t     ---|---|---\n");
   printf("\t\t   3  %c | %c | %c \n",matrix[2][0],matrix[2][1],matrix[2][2]);
}
void main()
{
  int m,n;
  int i,j,sum=0;
  char ch='y';
  while(ch=='Y' || ch=='y')
  {
     for(m=0;m<3;m++)
       for(n=0;n<3;n++)
      matrix[m][n]='\0';
      while(sum<10)
      {
    if(sum==0)
      cou();
    printf(" Player1 is 'X' : choose the row and column \n");
    printf(" Row : ");
    scanf("%d",&i);
    printf(" Column :L ");
    scanf("%d",&j);

    for(;i>3||i<1||j>3||j<1||('X'==matrix[i-1][j-1]||'O'==matrix[i-1][j-1]);)
    {
      printf(" Sorry but you gotta choose another place .\n");
      printf(" ROW :");
      scanf("%d",&i);
      printf(" COLUMN : ");
      scanf("%d",&j);
    }

    matrix[i-1][j-1]='X';
    sum++;
    cou();                  // calling function to display game setup



    //check if player 1 wins
    if(matrix[0][0]=='X' && matrix[0][0]==matrix[1][1] && matrix[1][1]==matrix[2][2])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[2][0]=='X' && matrix[2][0]==matrix[1][1] && matrix[1][1]==matrix[0][2])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[0][0]=='X' && matrix[0][0]==matrix[1][0] && matrix[1][0]==matrix[2][0])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[0][1]=='X' && matrix[0][1]==matrix[1][1] && matrix[1][1]==matrix[2][1])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[0][2]=='X' && matrix[0][2]==matrix[1][2] && matrix[1][2]==matrix[2][2])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[0][0]=='X' && matrix[0][0]==matrix[0][1] && matrix[0][1]==matrix[0][2])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[1][0]=='X' && matrix[1][0]==matrix[1][1] && matrix[1][1]==matrix[1][2])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[2][0]=='X' && matrix[2][0]==matrix[2][1] && matrix[2][1]==matrix[2][2])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(sum==9)               //  because there are only 9 boxes
    {
      printf(" The game is over and no one wins , haha  lols \n");
      break;
    }

    //player 2 's turn
    printf(" Pkayer2 is 'O' : choose the row and column \n");
    printf(" Row ");
    scanf("%d",&i);
    printf(" Column : ");
    scanf("%d",&j);

    for(;i>3||i<1||j>3||j<1||('X'==matrix[i-1][j-1]||'O'==matrix[i-1][j-1]);)
    {
      printf(" Sorry but you gotta choose another place .\n");
      printf(" ROW :");
      scanf("%d",&i);
      printf(" COLUMN : ");
      scanf("%d",&j);
    }

    matrix[i-1][j-1]='O';
    sum++;
    cou();                  // calling function to display game setup


    //check if player 1 wins
    if(matrix[0][0]=='O' && matrix[0][0]==matrix[1][1] && matrix[1][1]==matrix[2][2])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[2][0]=='O' && matrix[2][0]==matrix[1][1] && matrix[1][1]==matrix[0][2])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[0][0]=='O' && matrix[0][0]==matrix[1][0] && matrix[1][0]==matrix[2][0])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[0][1]=='O' && matrix[0][1]==matrix[1][1] && matrix[1][1]==matrix[2][1])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[0][2]=='O' && matrix[0][2]==matrix[1][2] && matrix[1][2]==matrix[2][2])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[0][0]=='O' && matrix[0][0]==matrix[0][1] && matrix[0][1]==matrix[0][2])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[1][0]=='O' && matrix[1][0]==matrix[1][1] && matrix[1][1]==matrix[1][2])
    {
      printf(" Player 1 wins \n");
      break;
    }

    if(matrix[2][0]=='O' && matrix[2][0]==matrix[2][1] && matrix[2][1]==matrix[2][2])
    {
      printf(" Player 1 wins \n");
      break;
    }


     printf(" \n Would you like to play again ??? (Y-N)\n");
     scanf("%c",&ch);

    }

    system("PAUSE");

   }

}