Each named counter consists of:
- The counter name
- The name can be up to 16-bytes, comprising the characters A through
Z, 0 through 9, $ @ # and _. Names less than 16 bytes should
be padded with trailing blanks.
- The current value
- The next number to be assigned to a requesting application program.
- The minimum value
- Specifies the minimum number for a counter, and the number to which
a counter is reset by the server in response to a REWIND command.
- The maximum value
- Specifies the maximum number that can be assigned by a counter, after
which the counter must be explicitly reset by a REWIND command (or automatically
by the WRAP option).
All values are stored internally as 8-byte (doubleword) binary numbers.
The EXEC CICS® interface allows you to use them as either fullword signed binary
numbers or doubleword unsigned binary numbers. This can give rise to overflow
conditions if you define a named counter using the doubleword command (see Using the named counter EXEC interface) and request numbers from the server using the signed fullword
version of the command.
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