not in

its "natural" range of return values, but rather signal some kind of exception. Many C functions that normally return a non-negative integer return -1 to indicate failure.

This use confuses "out-of-band" with "out-of-range". It is actually a clear example of in-band signalling since it uses the same "channel" for control and data.

Compare hidden flag, green bytes, fence.

[Jargon File]

Last updated: 2001-04-08

Nearby terms:

ation, using methods other thaneturned by a {function} that are not in not int}.ent.

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