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lockf.3: Fix feature test macro requirements 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
This commit is contained in:
Michael Kerrisk 2010-09-18 11:14:55 +02:00
parent 733e68f5f0
commit c29dc4442e
1 changed files with 6 additions and 1 deletions
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7
man3/lockf.3
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@ -33,7 +33,12 @@ Feature Test Macro Requirements for glibc (see
.in
.sp
.BR lockf ():
_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 500
.ad l
.RS 4
_BSD_SOURCE || _SVID_SOURCE || _XOPEN_SOURCE\ >=\ 500 ||
_XOPEN_SOURCE\ &&\ _XOPEN_SOURCE_EXTENDED
.RE
.ad
.SH DESCRIPTION
Apply, test or remove a POSIX lock on a section of an open file.
The file is specified by