static void constructBoardSpaces(char** array,int rows,int cols)
{
    int i=0,j=0;
    for (i = 0; i < rows; ++i)
    {
        for (j = 0; j < cols; ++j)
        {
            if((array[i][j])!='X'&&(array[i][j]!='O'))
                {
                array[i][j]=' ';
                }
        }
    }
}

if((array[i][j])!='X'&&(array[i][j]!='O'))