unlockpt.3: Add LIBRARY section (libc)

Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>

diff --git a/man3/unlockpt.3 b/man3/unlockpt.3
index 65897fcf70c8896fec8657dfcaa04d94e6b06274..36a532d2096ad1f6f043930d00ad33adef961fd5 100644 (file)
--- a/man3/unlockpt.3
+++ b/man3/unlockpt.3
@@ -5,6 +5,9 @@
 .TH UNLOCKPT 3 2021-03-22 "" "Linux Programmer's Manual"
 .SH NAME
 unlockpt \- unlock a pseudoterminal master/slave pair
+.SH LIBRARY
+Standard C library
+.RI ( libc ", " -lc )
 .SH SYNOPSIS
 .nf
 .B #define _XOPEN_SOURCE