TRINT_ADJUST_GTABKEY is a standard SAP function module that performs functionality. This is available within standard R/3 SAP systems depending on version and release level.
Below are the pattern details for this FM showing its interface including any import, export and tables parameters. There is also a list of Exceptions and for your convenience any standard documentation available. All this information and more can also be viewed if you enter the function module name TRINT_ADJUST_GTABKEY into the relevant SAP transaction such as SE37 or SE80.
CALL FUNCTION 'TRINT_ADJUST_GTABKEY' "
EXPORTING
iv_tabname = " tabname
iv_tabkey = " e071k-tabkey
it_nametab_old = " tr_nametabs
it_nametab_new = " tr_nametabs
IMPORTING
ev_tabkey = " e071k-tabkey
ev_status = " trparflag
. " TRINT_ADJUST_GTABKEY