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chroot.2: Added feature test macro requirements 

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
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Michael Kerrisk 2010-09-17 17:02:43 +02:00
parent 3a4bf87571
commit e2128f59bc
1 changed files with 23 additions and 0 deletions
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23
man2/chroot.2
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@ -37,6 +37,29 @@ chroot \- change root directory
.B #include <unistd.h>
.sp
.BI "int chroot(const char *" path );
.sp
.in -4n
Feature Test Macro Requirements for glibc (see
.BR feature_test_macros (7)):
.in
.sp
.BR chroot ():
.ad l
.RS 4
.PD 0
.TP 4
Since glibc 2.2.2:
.nf
_BSD_SOURCE ||
(_XOPEN_SOURCE >= 500 ||
_XOPEN_SOURCE && _XOPEN_SOURCE_EXTENDED) &&
!(_POSIX_C_SOURCE >= 200112L || _XOPEN_SOURCE >= 600)
.TP 4
.fi
Before glibc 2.2.2: none
.PD
.RE
.ad b
.SH DESCRIPTION
.BR chroot ()
changes the root directory of the calling process to that specified in