setgid.2: Add LIBRARY section

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

diff --git a/man2/setgid.2 b/man2/setgid.2
index 763904845ddaab38df1f57244f9046c80fc67f7a..c3c545dc3dd567713966dda8c612de8c03e328b9 100644 (file)
--- a/man2/setgid.2
+++ b/man2/setgid.2
@@ -10,6 +10,9 @@
 .TH SETGID 2 2021-03-22 "Linux" "Linux Programmer's Manual"
 .SH NAME
 setgid \- set group identity
+.SH LIBRARY
+Standard C library
+.RI ( libc ", " -lc )
 .SH SYNOPSIS
 .nf
 .B #include <unistd.h>