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Q: What is EIB?
Answer:
EIB (Execute Interface Block) contains execution info. EIBCALEN=COMMAREA length. EIBTRNID=transaction. EIBAID=attention key. EIBDATE/EIBTIME=date/time. EIBRESP/EIBRESP2=response codes. Automatically available in COBOL.
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Q: Explain EIBRESP values
Answer:
EIBRESP holds response code. 0=NORMAL. Non-zero indicates condition. Use DFHRESP(condition) for comparison. Common: DFHRESP(NOTFND), DFHRESP(DUPKEY), DFHRESP(INVREQ). Check documentation.
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Q: Explain INVREQ condition
Answer:
INVREQ is invalid request. Command invalid for situation. Check: command syntax, option combinations, resource state. EIBRESP2 may have more info. Common programming error.