Read profile parameter with less "IF" arguments

HI ,
there is a better way to do this if statement,without the 3 if ?
IF is_dev-ext_langu IS INITIAL .
    is_dev-be_langu = ls_defultes-langu.
    IF is_de-be_langu IS INITIAL.
      "Retrieve from system RZ11
      lv_par_name = para.
      "Calls a C-routine within the SAP kernel.
      CALL 'C_SAPGPARAM' ID 'NAME' FIELD lv_par_name
                          ID 'VALUE' FIELD is_device-be_langu.
      IF sy-subrc <> 0.
        CALL 'C_SAPGALLPARAM' ID 'PAR_SUB' FIELD lt_par_sub.
        READ TABLE lt_par_sub INTO ls_par_sub WITH KEY pname = para1
        is_dev-be_langu = ls_par_sub-default_wert.
      ENDIF.
    ENDIF.
ENDIF.
regards
Chris
Edited by: Julius Bussche on Sep 14, 2009 8:59 PM

Thanks SaS,
There are a lot of things to fix here...
- Duplicate deleted.
- Title given more meaning.
- Moved to performance, though I am not completely sure why you wanted that...
Now for the coding, I leave that up to you guys - but wonder for what one wants to compare the logon language or sy-langu with the instance default language.
C-calling the kernel routine is anyway a bit ugly, even if stable...
A released FM would be a much better option...
@Chris: What exactly are you trying to achieve here and why? (what are you doing with it)
Cheers,
Julius

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