Handling conditional errors in PL/I programs.
The authoritative book on PLI you can read it to explore more in writing programs.
PLI Key Phrases
- ERROR
- FIXED OVERFLOW
- OVERFLOW
- UNDERFLOW
- ZERODIVIDE
- ENDFILE
- UNDEFINED FILE
- KEY
- END PAGE
I spent some of my busy schedule time on internet. This is good PDF you can read it.