I agree -- the existing text is a bit broken. I've rewritten it
for man-pages-2.04. Please close this report.
The new text is:
RETURN VALUE
If an option was successfully found, then getopt() returns
the option character. If all command-line options have
been parsed, then getopt() returns -1. If getopt()
encounters an option character that was not in optstring,
then '?' is returned. If getopt() encounters an option
with a missing argument, then the return value depends on
the first character in optstring: if it is ':', then ':'
is returned; otherwise '?' is returned.
Cheers,
Michael
--
Michael Kerrisk
maintainer of Linux man pages Sections 2, 3, 4, 5, and 7
Want to help with man page maintenance? Grab the latest
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Please submit non-trivial man page suggestions as
"diff -u" patches.
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