Correct some man page xrefs, and some other minor changes to bring some

man pages up to mdoc guidelines and fix some minor formatting glitches.
Also fixed a number of man pages to not abuse the .Xr macro to
display functions and path names and a lot of other junk.

1 files changed, 8 insertions, 8 deletions

diff --git a/share/man/man4/pty.4 b/share/man/man4/pty.4
index dd982c3..b8b6b87 100644
--- a/share/man/man4/pty.4
+++ b/share/man/man4/pty.4
@@ -42,7 +42,7 @@
 .Op Ar count
 .Sh DESCRIPTION
 The
-.Xr pty
+.Nm pty
 driver provides support for a device-pair termed a
 .Em pseudo terminal .
 A pseudo terminal is a pair of character devices, a
@@ -92,7 +92,7 @@ mode.  Packet mode is enabled by specifying (by reference)
 a nonzero parameter and disabled by specifying (by reference)
 a zero parameter.  When applied to the master side of a pseudo
 terminal, each subsequent 
-.Xr read
+.Xr read 2
 from the terminal will return data written on the slave part of
 the pseudo terminal preceded by a zero byte (symbolically
 defined as
@@ -140,7 +140,7 @@ used by other similar programs.
 .El
 .It Dv TIOCUCNTL
 Enable/disable a mode that allows a small number of simple user
-.Xr ioctl
+.Xr ioctl 2
 commands to be passed through the pseudo-terminal,
 using a protocol similar to that of
 .Dv TIOCPKT .
@@ -154,12 +154,12 @@ by specifying (by reference)
 a nonzero parameter and disabled by specifying (by reference)
 a zero parameter.
 Each subsequent 
-.Xr read
+.Xr read 2
 from the master side will return data written on the slave part of
 the pseudo terminal preceded by a zero byte,
 or a single byte reflecting a user control operation on the slave side.
 A user control command consists of a special
-.Xr ioctl
+.Xr ioctl 2
 operation with no data; the command is given as
 .Dv UIOCCMD Ns (n) ,
 where
@@ -168,17 +168,17 @@ is a number in the range 1-255.
 The operation value
 .Ar n
 will be received as a single byte on the next
-.Xr read
+.Xr read 2
 from the master side.
 The
-.Xr ioctl
+.Xr ioctl 2
 .Dv UIOCCMD Ns (0)
 is a no-op that may be used to probe for
 the existence of this facility.
 As with
 .Dv TIOCPKT
 mode, command operations may be detected with a
-.Xr select
+.Xr select 2
 for exceptional conditions.
 .It Dv TIOCREMOTE
 A mode for the master half of a pseudo terminal, independent