>local llSuccess
>
>llSuccess = .f.
>
>*-- I every step is completed, return .t.
>if firstStep()
>    if secondStep()
>        if thirdStep()
>            if fourthStep()
>                llSuccess = .t.
>            endif
>        endif
>    endif
>endif
>
>return llSuccess
>

So basically you are saying that all four Steps need to return True in order for lSuccess to be True. So why not write:

Return firstStep() ;
   And secondStep() ;
   And thirdStep() ;
   And fourthStep()