[Bug 218453] Update posixoptions to POSIX.1-2018

bugzilla-daemon
2024-02-02T19:53:53Z

--- Comment #1 from Enrique Garcia (cquike@arcor.de) ---
There are also two options that are mentioned as "not in final XG6", so I guess
those ones could also be removed:

--- - _POSIX_FILE_LOCKING - _SC_FILE_LOCKING
--- - _POSIX_MULTI_PROCESS - _SC_MULTI_PROCESS