The index values %%$JCLCURF and %%$JCLCURL can be used to access the JCL cards of the current JCL statement by combining %%$JCL with the index as in the following REXX sample:
Fig.JV.5.2 Example 2 of REXX call
 /* REXX */
 INIT = CTJRXX("INIT")
 REC_NUM = CTJRXX("RESOLVE","%%$JCLCURF")
 LAST = CTJRXX("RESOLVE","%%$JCLCURL")
 DO WHILE REC_NUM <= LAST
   TEMP = CTJRXX("RESOLVE","%%$JCL"REC_NUM)
   SAY TEMP
   REC_NUM = REC_NUM + 1
END
RETURN
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