TIC-TAC-TOE Game in c

#include<stdio.h>
#include<stdlib.h>
int i,j;
int a[3][3];
void myprint1()
{
    printf("    ## TANVIR-JEWEL ##\n");
    printf("## WELCOME TO TIC_TAC_TOE ##\n\n");
    printf("Enter the index number(i j)\n\n");
    printf(" 00 | 01 | 02\n______________\n 10 | 11 | 12\n______________\n 20 | 21 | 22\n\n");
    printf("Sign X for player 1\nSign O for player 2 \n\n");
}
// To show the board
void myprint2()
{

    system("CLS");
    myprint1();
    printf("\n\n  %c |",a[0][0]);
    printf("  %c |",a[0][1]);
    printf("  %c ",a[0][2]);
    printf("\n______________\n");
    printf("  %c |",a[1][0]);
    printf("  %c |",a[1][1]);
    printf("  %c ",a[1][2]);
    printf("\n______________\n");
    printf("  %c |",a[2][0]);
    printf("  %c |",a[2][1]);
    printf("  %c ",a[2][2]);
    printf("\n");

}
check()
{
    char  test= ' ';

// Check Rows
    for (i=0; i<3;i++)
    if (a[i][0] == a[i] [1] && a[i][0] == a[i] [2] && a[i] [0] != ' ') test= a[i] [0];

// Check Columns
    for (i=0; i<3;i++)
    if (a[0][i] == a[1] [i] && a[0][i] == a[2] [i] && a[0] [i] != ' ') test= a[0] [i];

// Check Ara-ari
    if (a[0][0] == a[1] [1] && a[1][1] == a[2] [2] && a[1] [1] != ' ')
    test= a[1] [1];
    if (a[0][2] == a[1] [1] && a[1][1] == a[2] [0] && a[1] [1] != ' ') test= a[1] [1];
// Winner if any
    if (test== 'X')
    {
        printf ("\nplayer1 Win\n\n");
        exit(0);
    }
    if (test== 'O')
    {
        printf ("\nplayer2 Win\n\n");
        exit(0);
    }
}
void input1()
{
    printf ("\nPlayer 1 Turn");
    printf ("\nEnter index no. for i: ");
    scanf ("%d",&i);
    printf ("\nEnter index no. for j: ");
    scanf ("%d", &j);
    a[i][j] = 'X';
    myprint2();

}
void input2()
{
    printf ("\nPlayer 2 Turn");
    printf ("\nEnter index no for i: ");
    scanf ("%d",&i);
    printf ("\nEnter index no for j: ");
    scanf ("%d", &j);
    a[i][j]='O';
    myprint2();

}
int main()
{
    int x,y;
    myprint2();
    for(x=0;x<5;x++)
    {
        input1();
        check();
        if(x!=4)
        {
            input2();
            check();
        }
    }
    printf ("\n\n          GAME DRAW");
    return 0;
}