From 83329c27b739f7f2e5af9f66f5852d72a0a8b6a3 Mon Sep 17 00:00:00 2001
From: jkoshy <jkoshy@FreeBSD.org>
Date: Sun, 6 Sep 1998 08:50:49 +0000
Subject: Use a varargs style prototype in the manual page, with accompanying
 explanation in the text.

---
 lib/libc/sys/ioctl.2 | 15 ++++++++++++++-
 1 file changed, 14 insertions(+), 1 deletion(-)

(limited to 'lib/libc/sys/ioctl.2')

diff --git a/lib/libc/sys/ioctl.2 b/lib/libc/sys/ioctl.2
index a1d5f79..c22bb5b 100644
--- a/lib/libc/sys/ioctl.2
+++ b/lib/libc/sys/ioctl.2
@@ -40,7 +40,7 @@
 .Sh SYNOPSIS
 .Fd #include <sys/ioctl.h>
 .Ft int
-.Fn ioctl "int d" "unsigned long request" "char *argp"
+.Fn ioctl "int d" "unsigned long request" "..."
 .Sh DESCRIPTION
 The
 .Fn ioctl
@@ -54,6 +54,19 @@ The argument
 .Fa d
 must be an open file descriptor.
 .Pp
+The third argument to
+.Nm
+is traditionally named
+.Ar "char *argp" .
+Most uses of 
+.Nm
+in
+.Fx 3.0
+however, require the third argument to be a 
+.Ar caddr_t
+or an
+.Ar int .
+.Pp
 An  ioctl
 .Fa request
 has encoded in it whether the argument is an
-- 
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