epoll_ctl.2: SYNOPSIS: Add _Nullable

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

diff --git a/man2/epoll_ctl.2 b/man2/epoll_ctl.2
index 4da0811597d045ffa77c253f3994fb51c46d42f4..dbe6c0bb21c6c68f85bbd23332c26cb212d60e8f 100644 (file)
--- a/man2/epoll_ctl.2
+++ b/man2/epoll_ctl.2
@@ -15,7 +15,7 @@ Standard C library
 .B #include <sys/epoll.h>
 .PP
 .BI "int epoll_ctl(int " epfd ", int " op ", int " fd \
-", struct epoll_event *" event );
+", struct epoll_event *_Nullable " event );
 .fi
 .SH DESCRIPTION
 This system call is used to add, modify, or remove