TIC TAC TOE in C

#include <stdio.h>
#include <stdlib.h>
/*initializing a 2D array for creating a tic tac toe board*/
char square[3][3]={{'1','2','3'},{'4','5','6'},{'7','8','9'}};

void draw_the_board(){
        printf("\n\n TIC TAC TOE \n\n");
        printf("PLAYER 1 IS (X) and PLAYER 2 IS (O)\n\n");
        printf("__________________________\n");
        printf("        |        |        \n");
        printf("   %c    |   %c    |  %c  \n", square[0][0], square[0][1], square[0][2]);
        printf("________|________|________\n");
        printf("        |        |        \n");
        printf("   %c    |   %c    |  %c  \n", square[1][0], square[1][1], square[1][2]);
        printf("________|________|________\n");
        printf("        |        |        \n");
        printf("   %c    |   %c    |  %c  \n", square[2][0], square[2][1], square[2][2]);
        printf("________|________|________\n");
    }
/*This functions check  the combination of each cell in the 2D array matrix , if any 3 cell matches horizontally,vertically or diagonally it returns 0*/

int check_the_winner(){
//checking combination horizontally
        if(square[0][0]==square[0][1]&&square[0][1]==square[0][2]){
        return 1;
    }
else if  (square[1][0]==square[1][1]&&square[1][1]==square[1][2]){
        return 1;
}
else if (square[2][0]==square[2][1]&&square[2][1]==square[2][2]){
        return 1;
}
//checking combination vertically
else if (square[0][0]==square[1][0]&&square[1][0]==square[2][0]){
        return 1;
}
else if (square[0][1]==square[1][1]&&square[1][1]==square[2][1]){
        return 1;
}
else if (square[0][2]==square[1][2]&&square[1][2]==square[2][2]){
        return 1;
}
else if (square[2][0]==square[2][1]&&square[2][1]==square[2][2]){
        return 1;
}
//checking combination diagonally
else if (square[0][0]==square[1][1]&&square[1][1]==square[2][2]){
        return 1;
}     
else if (square[0][2]==square[1][1]&&square[1][1]==square[2][0]){
        return 1;
}

/*Return 0 if no combination is found and game is drawmln*/
else if (square[0][0]!='1'&&square[0][1]!='2'&&square[0][2]!='3'&&square[1][0]!='4'&&square[1][1]!='5'&&square[1][2]!='6'&&square[2][0]!='7'&&square[2][1]!='8'&&square[2][2]!='9'){
        return 0;
}
/* This else statement shows that the game is still running*/
else{
        return -1;
}
return 0;
}

//The main function

int main(){
    int i,player,choice;
    char mark;
    printf("SELECT THE PLAYER NO:");
    scanf("%d",&player);
    if(player<0 || player>2){
        printf("INVALID SELECTION! please enter right option");
    }
    /*This do while places the marks at specified position at does this till check_the_winner function returns -1 i.e game is still running*/
    do{
        draw_the_board();
        player=(player%2==0)? 2:1;
        printf("PLAYER %d SELECT YOUR CHOICE:",player);
        scanf("%d",&choice);
        mark=(player==1)?'X':'O';
        if(choice==1 && square[0][0]=='1'){
            square[0][0]=mark;
        }
        else if(choice==2&&square[0][1]=='2'){
            square[0][1]=mark;
        }
        else if(choice==3&&square[0][2]=='3'){
            square[0][2]=mark;
        }
        else if(choice==4&&square[1][0]=='4'){
            square[1][0]=mark;
        }
        else if(choice==5&&square[1][1]=='5'){
            square[1][1]=mark;
        }
        else if(choice==6&&square[1][2]=='6'){
            square[1][2]=mark;
        }
        else if(choice==7&&square[2][0]=='7'){
            square[2][0]=mark;
        }
        else if(choice==8&&square[2][1]=='8'){
            square[2][1]=mark;
        }
        else if(choice==9&&square[2][2]=='9'){
            square[2][2]=mark;
        }
        else{
            printf("==>!!INVALID OPTION!!<==");
            player--;
        }
        /*If a player enters invalid option then to give him one more option we decrement the player*/
        i=check_the_winner();
        player++;
    }while(i==-1);
    if(i==1){
        printf("==> PLAYER %d WON <==",--player);
    }
    else{
        printf("==> GAME DRAW <==");
    }
    return 0;   
}


//output
SELECT THE PLAYER NO:1


 TIC TAC TOE

PLAYER 1 IS (X) and PLAYER 2 IS (O)

__________________________
        |        |
   1    |   2    |  3
________|________|________
        |        |
   4    |   5    |  6
________|________|________
        |        |
   7    |   8    |  9
________|________|________
PLAYER 1 SELECT YOUR CHOICE:1


 TIC TAC TOE

PLAYER 1 IS (X) and PLAYER 2 IS (O)

__________________________
        |        |
   X    |   2    |  3
________|________|________
        |        |
   4    |   5    |  6
________|________|________
        |        |
   7    |   8    |  9
________|________|________
PLAYER 2 SELECT YOUR CHOICE:2


 TIC TAC TOE

PLAYER 1 IS (X) and PLAYER 2 IS (O)

__________________________
        |        |
   X    |   O    |  3
________|________|________
        |        |
   4    |   5    |  6
________|________|________
        |        |
   7    |   8    |  9
________|________|________
PLAYER 1 SELECT YOUR CHOICE:4


 TIC TAC TOE

PLAYER 1 IS (X) and PLAYER 2 IS (O)

__________________________
        |        |
   X    |   O    |  3
________|________|________
        |        |
   X    |   5    |  6
________|________|________
        |        |
   7    |   8    |  9
________|________|________
PLAYER 2 SELECT YOUR CHOICE:5


 TIC TAC TOE

PLAYER 1 IS (X) and PLAYER 2 IS (O)

__________________________
        |        |
   X    |   O    |  3
________|________|________
        |        |
   X    |   O    |  6
________|________|________
        |        |
   7    |   8    |  9
________|________|________
PLAYER 1 SELECT YOUR CHOICE:7
==> PLAYER 1 WON <==
[Program finished]
printf("done")