Start of man-pages-3.52: renaming .Announce and .lsm files
Start of man-pages-3.52: updating .Announce and .lsm files
Start of man-pages-3.52: updating Changes and Changes.old
socket.7: Document SO_PEEK_OFF option

Since Linux 3.4 there appeared an ability to specify the
offset in bytes from which the data will be MSG_PEEK-ed.
Describe this socket option in the socket(7) page, where
all the other socket options are described.

Signed-off-by: Pavel Emelyanov <xemul@parallels.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
socket.7: Greatly improved description of SO_PEEK_OFF

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
socket.7: Put SO_PEEK_OFF in correct alphabetical order

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
socket.7: Note that 'optval' for socket options is an 'int' in most cases

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
tcp.7: Note that 'optval' for socket options is an 'int' in most cases

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
udp.7: Note that 'optval' for socket options is an 'int' in most cases

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
fallocate.2: RETURN VALUE: mention that 'errno' is set on error

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
recv.2: RETURN VALUE: mention that 'errno' is set on error

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
shmget.2: Rewrite RETURN VALUE and mention that 'errno' is set on error

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
sigaction.2: RETURN VALUE: mention that 'errno' is set on error

Reported-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
signal.2: RETURN VALUE: mention that 'errno' is set on error

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
sigpending.2: RETURN VALUE: mention that 'errno' is set on error

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
sigprocmask.2: RETURN VALUE: mention that 'errno' is set on error

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
sigsuspend.2: RETURN VALUE: mention that 'errno' is set on error

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
dirfd.3: RETURN VALUE: mention that 'errno' is set on error

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
fgetgrent.3: RETURN VALUE: mention that 'errno' is set on error

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
fgetpwent.3: RETURN VALUE: mention that 'errno' is set on error

Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>