Cleanup ioctl.2 slightly:

- Markup ioctl argument types with Fa
- Be clearer that ioctl arguments are pointers to ints.

Similar changes to follow for manual pages that describe
device-specific ioctl commands.

Discussed with jmc and schwarze.

1 files changed, 7 insertions, 7 deletions

diff --git a/lib/libc/sys/ioctl.2 b/lib/libc/sys/ioctl.2
index 80132765a1b..57a21a803d3 100644
--- a/lib/libc/sys/ioctl.2
+++ b/lib/libc/sys/ioctl.2
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: ioctl.2,v 1.17 2014/01/21 03:15:45 schwarze Exp $
+.\"	$OpenBSD: ioctl.2,v 1.18 2014/06/27 21:06:33 matthew Exp $
 .\"	$NetBSD: ioctl.2,v 1.5 1995/02/27 12:33:47 cgd Exp $
 .\"
 .\" Copyright (c) 1980, 1991, 1993
@@ -30,14 +30,14 @@
 .\"
 .\"     @(#)ioctl.2	8.2 (Berkeley) 12/11/93
 .\"
-.Dd $Mdocdate: January 21 2014 $
+.Dd $Mdocdate: June 27 2014 $
 .Dt IOCTL 2
 .Os
 .Sh NAME
 .Nm ioctl
 .Nd control device
 .Sh SYNOPSIS
-.Fd #include <sys/ioctl.h>
+.In sys/ioctl.h
 .Ft int
 .Fn ioctl "int d" "unsigned long request" "..."
 .Sh DESCRIPTION
@@ -98,9 +98,9 @@ Some generic ioctls are not implemented for all types of file
 descriptors.
 These include:
 .Bl -tag -width "xxxxxx"
-.It Dv FIONREAD "int"
+.It Dv FIONREAD Fa "int *"
 Get the number of bytes that are immediately available for reading.
-.It Dv FIONBIO "int"
+.It Dv FIONBIO Fa "int *"
 Set non-blocking I/O mode if the argument is non-zero.
 In non-blocking mode,
 .Xr read 2
@@ -111,7 +111,7 @@ calls return \-1 and set
 to
 .Er EAGAIN
 immediately when no data is available.
-.It Dv FIOASYNC "int"
+.It Dv FIOASYNC Fa "int *"
 Set asynchronous I/O mode if the argument is non-zero.
 In asynchronous mode, the process or process group specified by
 .Dv FIOSETOWN
@@ -122,7 +122,7 @@ The
 .Dv SIGIO
 signal will be delivered when data is available on the file
 descriptor.
-.It Dv FIOSETOWN, FIOGETOWN "int"
+.It Dv FIOSETOWN, FIOGETOWN Fa "int *"
 Set/get the process or the process group (if negative) that should receive
 .Dv SIGIO
 signals when data is available.