The syntax diagram for IXLLSTC is as follows:

main diagram

                                  .-,REQID=NO_REQID-.   
>>-IXLLSTC--b--CONTOKEN=contoken--+-----------------+----------->
                                  '-,REQID=reqid----'   

>--,REQUEST=-+-LOCK--,LOCKINDEX=lockindex--| parameters-1 |--------------------------+-->
             +-READ_LCONTROLS--,LISTNUM=listnum--| parameters-3 |--------------------+   
             +-WRITE_LCONTROLS--,LISTNUM=listnum--| parameters-4 |-------------------+   
             |                  .-,KEYTYPE=ENTRY-----.                               |   
             +-READ_EQCONTROLS--+--------------------+-------------------------------+   
             |                  '-,KEYTYPE=SECONDARY-'                               |   
             +-READ_EMCONTROLS--,LISTNUM=listnum--| parameters-5 |-------------------+   
             |             .-,KEYTYPE=ENTRY-----.                                    |   
             +-DEQ_EVENTQ--+--------------------+--| parameters-3 |------------------+   
             |             '-,KEYTYPE=SECONDARY-'                                    |   
             |                 .-,KEYTYPE=ENTRY-----.                                |   
             +-MONITOR_EVENTQ--+--------------------+--| parameters-6 |--------------+   
             |                 '-,KEYTYPE=SECONDARY-'                                |   
             +-MONITOR_LIST--,LISTNUM=listnum--| parameters-6 |----------------------+   
             +-MONITOR_KEYRANGE--,LISTNUM=listnum--| parameters-6 |------------------+   
             +-MONITOR_SUBLIST--,LISTNUM=listnum--| parameters-5 |--| parameters-7 |-+   
             +-MONITOR_SUBLISTS--| parameters-8 |------------------------------------+   
             '-READ_STRCOUNTS--------------------------------------------------------'   

   .-,MODE=SYNCSUSPEND-,ANSAREA=ansarea-,ANSLEN=anslen-----------------------.   
>--+-------------------------------------------------------------------------+-->
   +-,MODE=SYNCECB-,REQECB=reqecb-,ANSAREA=ansarea-,ANSLEN=anslen------------+   
   |                .-,REQDATA=NO_REQDATA-.                                  |   
   +-,MODE=SYNCEXIT-+---------------------+-,ANSAREA=ansarea-,ANSLEN=anslen--+   
   |                '-,REQDATA=reqdata----'                                  |   
   +-,MODE=SYNCTOKEN-,REQTOKEN=reqtoken-,ANSAREA=ansarea-,ANSLEN=anslen------+   
   +-,MODE=ASYNCECB-,REQECB=reqecb-,ANSAREA=ansarea-,ANSLEN=anslen-----------+   
   |                 .-,REQDATA=NO_REQDATA-.                                 |   
   +-,MODE=ASYNCEXIT-+---------------------+-,ANSAREA=ansarea-,ANSLEN=anslen-+   
   |                 '-,REQDATA=reqdata----'                                 |   
   +-,MODE=ASYNCTOKEN-,REQTOKEN=reqtoken-,ANSAREA=ansarea-,ANSLEN=anslen-----+   
   '-,MODE=ASYNCNORESPONSE---------------------------------------------------'   

>--+------------------+--+------------------+------------------->
   '-,RETCODE=retcode-'  '-,RSNCODE=rsncode-'   

   .-,PLISTVER=IMPLIED_VERSION-.   
>--+---------------------------+-------------------------------->
   +-,PLISTVER=MAX-------------+   
   '-,PLISTVER=plistver--------'   

   .-,MF=S--------------------------.   
>--+--------------------------------+--------------------------><
   |                .-,0D-----.     |   
   +-,MF=(L-,mfctrl-+---------+-)---+   
   |                '-,mfattr-'     |   
   |                .-,COMPLETE-.   |   
   '-,MF=(E-,mfctrl-+-----------+-)-'   
                    '-,COMPLETE-'       

parameters-1

>>-,LOCKOPER=-+-SET-| parameters-2 |---------------+-----------><
              |       .-,LOCKCOMP=NO_LOCKCOMP-.    |   
              +-RESET-+-----------------------+----+   
              |       '-,LOCKCOMP=lockcomp----'    |   
              |      .-,LOCKCOMP=NO_LOCKCOMP-.     |   
              +-TEST-+-----------------------+-----+   
              |      '-,LOCKCOMP=lockcomp----'     |   
              |          .-,LOCKCOMP=NO_LOCKCOMP-. |   
              '-READNEXT-+-----------------------+-'   
                         '-,LOCKCOMP=lockcomp----'     

parameters-2

   .-,LOCKMODE=UNCOND-------------------------.   
>>-+------------------------------------------+----------------->
   |                .-,LOCKCOMP=NO_LOCKCOMP-. |   
   '-,LOCKMODE=COND-+-----------------------+-'   
                    '-,LOCKCOMP=lockcomp----'     

   .-,LOCKDATA=NO_LOCKDATA-.   
>--+-----------------------+-----------------------------------><
   '-,LOCKDATA=lockdata----'   

parameters-3

>>-+-,BUFLIST=buflist-| parameters-9 |-+-----------------------><
   '-,BUFFER=buffer-| parameters-10 |--'   

parameters-4

                       .-,NEWAUTH=NO_NEWAUTH-.   
>>-,AUTHCOMP=authcomp--+---------------------+------------------>
                       '-,NEWAUTH=newauth----'   

   .-,LISTLIMIT=NO_LISTLIMIT-.  .-,LISTDESC=NO_LISTDESC-.   
>--+-------------------------+--+-----------------------+------->
   '-,LISTLIMIT=listlimit----'  '-,LISTDESC=listdesc----'   

   .-,LISTKEY=NO_LISTKEY-.  .-,MAXLISTKEY=NO_MAXLISTKEY-.   
>--+---------------------+--+---------------------------+------->
   '-,LISTKEY=listkey----'  '-,MAXLISTKEY=maxlistkey----'   

   .-,SETCURSOR=NO_SETCURSOR-.   
>--+-------------------------+---------------------------------->
   +-,SETCURSOR=HEAD---------+   
   '-,SETCURSOR=TAIL---------'   

   .-,KEYRANGE=NO_CHANGE-------------------------------------------------.   
>--+---------------------------------------------------------------------+-->
   '-,KEYRANGE=SET-,KEYRANGESTART=keyrangestart-,KEYRANGEEND=keyrangeend-'   

   .-,KEYRANGESTATE=NO_CHANGE--------------------------------------.   
>--+---------------------------------------------------------------+-->
   '-,KEYRANGESTATE=DEFINE-,KREMPTY=krempty-,KRNOTEMPTY=krnotempty-'   

   .-,LISTSTATE=NO_CHANGE----------------------------------------------.   
>--+-------------------------------------------------------------------+-><
   '-,LISTSTATE=DEFINE-,LISTEMPTY=listempty-,LISTNOTEMPTY=listnotempty-'   

parameters-5

>>-+-,ENTRYKEY=entrykey---------+------------------------------><
   '-,SECONDARYKEY=secondarykey-'   

parameters-6

                                            .-,DRIVEEXIT=YES-.     
>>-+-,ACTION=START-,VECTORINDEX=vectorindex-+----------------+-+-><
   |                                        '-,DRIVEEXIT=NO--' |   
   '-,ACTION=STOP----------------------------------------------'   

parameters-7

                   .-,NOTIFICATION=FIRST-.              
>>-+-,ACTION=START-+---------------------+-,UNC=unc-+----------><
   |               '-,NOTIFICATION=EVERY-'          |   
   '-,ACTION=STOP-----------------------------------'   

parameters-8

>>-,STARTINDEX=startindex--,ENDINDEX=endindex------------------->

>--,MOSVECTOR=mosvector----------------------------------------->

>--+-,BUFLIST=buflist-| parameters-9 |-,BUFNUM=bufnum-,BUFINCRNUM=bufincrnum-+-><
   '-,BUFFER=buffer-| parameters-10 |-,BUFSIZE=bufsize-----------------------'   

parameters-9

                                            .-,BUFALET=NO_BUFALET-.     
   .-,BUFADDRTYPE=VIRTUAL-| parameters-10 |-+---------------------+-.   
   |                                        '-,BUFALET=bufalet----' |   
>>-+----------------------------------------------------------------+-><
   |                   .-,BUFADDRSIZE=31-.                          |   
   '-,BUFADDRTYPE=REAL-+-----------------+--------------------------'   
                       '-,BUFADDRSIZE=64-'                              

parameters-10

                   .-,BUFSTGKEY=CALLERS_KEY-.     
   .-,PAGEABLE=YES-+------------------------+-.   
   |               '-,BUFSTGKEY=bufstgkey---' |   
>>-+------------------------------------------+----------------><
   '-,PAGEABLE=NO-----------------------------'