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-rw-r--r--lib/libc/time/ctime.313
1 files changed, 12 insertions, 1 deletions
diff --git a/lib/libc/time/ctime.3 b/lib/libc/time/ctime.3
index 8299d1dcf57..9818eba66ae 100644
--- a/lib/libc/time/ctime.3
+++ b/lib/libc/time/ctime.3
@@ -1,4 +1,4 @@
-.\" $OpenBSD: ctime.3,v 1.41 2014/01/21 03:15:45 schwarze Exp $
+.\" $OpenBSD: ctime.3,v 1.42 2014/01/21 11:51:02 otto Exp $
.\"
.\"
.Dd $Mdocdate: January 21 2014 $
@@ -257,6 +257,17 @@ is non-zero if summer time is in effect.
is the offset (in seconds) of the time represented
from UTC, with positive values indicating east
of the Prime Meridian.
+.Sh RETURN VALUES
+The functions
+.Fn localtime ,
+.Fn localtime_r ,
+.Fn gmtime
+and
+.Fn gmtime_r
+return NULL on error.
+The function
+.Fn mktime
+returns \-1 on error.
.Sh FILES
.Bl -tag -width "/usr/share/zoneinfo/posixrules" -compact
.It Pa /usr/share/zoneinfo