From 593f7b6f7eda04b3436d6e55209aaab1e3983eff Mon Sep 17 00:00:00 2001
From: Michael Kerrisk <mtk.manpages@gmail.com>
Date: Sun, 29 Jun 2008 06:24:54 +0000
Subject: [PATCH] Enhance description of ut_session

---
 man5/utmp.5 | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/man5/utmp.5 b/man5/utmp.5
index 27d790e8c..10f97726e 100644
--- a/man5/utmp.5
+++ b/man5/utmp.5
@@ -96,8 +96,8 @@ struct utmp {
        compiled 32- and 64-bit.  This allows data files and shared
        memory to be shared between 32- and 64-bit applications. */
 #if __WORDSIZE == 64 && defined __WORDSIZE_COMPAT32
-    int32_t ut_session;            /* Session ID, used for
-                                      windowing */
+    int32_t ut_session;            /* Session ID (\fBgetsid\fP(2)),
+                                      used for windowing */
     struct {
         int32_t tv_sec;            /* Seconds */
         int32_t tv_usec;           /* Microseconds */
@@ -232,6 +232,11 @@ with specifications for the fields
 .IR ut_user ,
 and
 .IR ut_tv .
+POSIX.1 does not specify the lengths of the
+.I ut_line
+and
+.I ut_user
+fields.
 
 Linux defines the
 .I utmpx