unsigned int   ui_one       =  1 ;
    signed   int   i_one        =  1 ;
    signed   short s_minus_one  = -1 ;

    if( s_minus_one > ui_one)
        printf("-1 > 1 \n");

    if( s_minus_one < i_one)
        printf("-1 < 1 \n");

    #./run
    #
    # -1 > 1
    # -1 < 1