man/man3/ctime.3: Mention that timegm(3) is a UTC equivalent of mktime(3)

Signed-off-by: Alejandro Colomar <alx@kernel.org>

diff --git a/man/man3/ctime.3 b/man/man3/ctime.3
index acd6f15650f9260066d9b338a839466d98ff556e..c2d14269cac23d011b14906ceb9677ccf4735eb1 100644 (file)
--- a/man/man3/ctime.3
+++ b/man/man3/ctime.3
@@ -177,6 +177,9 @@ and a negative value means that
 .BR mktime ()
 should (use timezone information and system databases to)
 attempt to determine whether DST is in effect at the specified time.
+See
+.BR timegm (3)
+for a UTC equivalent of this function.
 .P
 The
 .BR mktime ()