char* itoa(int n,char* qbuf)
{
        int        i=0 ,flag=0;        
        char temp;
        
        if( n==0 )
                qbuf[i  ] = '0';
        
        if( n<0 )
        {
                qbuf[i  ] = '-';
                n = -n;
                flag = 1;
        }            while( n )
        {
                qbuf[i  ] = (n)   '0';
                n /= 10;
        }
        qbuf[i] = 0;            for( i=0 ; i<(strlen(&qbuf[flag])/2) ; i   )
        {
                qbuf[i flag] = temp;
                qbuf[i flag] = qbuf[strlen(qbuf)-1-i];
                qbuf[strlen(qbuf)-1-i] = temp;
        }
        
        return qbuf;
}