.Ar -> .Fa and NULL is Dv

1 files changed, 24 insertions, 21 deletions

diff --git a/lib/libc/db/man/mpool.3 b/lib/libc/db/man/mpool.3
index 7797196b039..7f426b66b0c 100644
--- a/lib/libc/db/man/mpool.3
+++ b/lib/libc/db/man/mpool.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: mpool.3,v 1.2 1999/02/26 01:20:41 millert Exp $
+.\"	$OpenBSD: mpool.3,v 1.3 1999/02/26 06:54:50 millert Exp $
 .\"
 .\" Copyright (c) 1990, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -68,28 +68,30 @@ The function
 .Fn mpool_open
 initializes a memory pool.
 The
-.Ar key
+.Fa key
 argument is the byte string used to negotiate between multiple
 processes wishing to share buffers.
 If the file buffers are mapped in shared memory, all processes using
 the same key will share the buffers.
 If
-.Ar key
-is NULL, the buffers are mapped into private memory.
+.Fa key
+is
+.Dv NULL ,
+the buffers are mapped into private memory.
 The
-.Ar fd
+.Fa fd
 argument is a file descriptor for the underlying file, which must be seekable.
 If
-.Ar key
+.Fa key
 is non-NULL and matches a file already being mapped, the
-.Ar fd
+.Fa fd
 argument is ignored.
 .Pp
 The
-.Ar pagesize
+.Fa pagesize
 argument is the size, in bytes, of the pages into which the file is broken up.
 The
-.Ar maxcache
+.Fa maxcache
 argument is the maximum number of pages from the underlying file to cache
 at any one time.
 This value is not relative to the number of processes which share a file's
@@ -101,15 +103,15 @@ The
 function is intended to make transparent input and output processing of the
 pages possible.
 If the
-.Ar pgin
+.Fa pgin
 function is specified, it is called each time a buffer is read into the memory
 pool from the backing file.
 If the
-.Ar pgout
+.Fa pgout
 function is specified, it is called each time a buffer is written into the
 backing file.
 Both functions are are called with the
-.Ar pgcookie
+.Fa pgcookie
 pointer, the page number and a pointer to the page to being read or written.
 .Pp
 The function
@@ -117,10 +119,11 @@ The function
 takes an MPOOL pointer, an address, and a set of flags as arguments.
 If a new page can be allocated, a pointer to the page is returned and
 the page number is stored into the
-.Ar pgnoaddr
+.Fa pgnoaddr
 address.
-Otherwise, NULL is returned and errno is set.
-The flags value is formed by
+Otherwise,
+.Dv NULL
+is returned and errno is set.  The flags value is formed by
 .Em or Ns 'ing
 the following values:
 .Bl -tag -width Ds
@@ -139,16 +142,16 @@ generated by
 .Pp
 The function
 .Fn mpool_get
-takes an MPOOL pointer and a page number as arguments.
-If the page exists, a pointer to the page is returned.
-Otherwise, NULL is returned and errno is set.
-The flags parameter is not currently used.
+takes an MPOOL pointer and a page number as arguments.  If the page
+exists, a pointer to the page is returned.  Otherwise,
+.Dv NULL
+is returned and errno is set.  The flags parameter is not currently used.
 .Pp
 The function
 .Fn mpool_put
 unpins the page referenced by
-.Ar pgaddr .
-.Ar Pgaddr
+.Fa pgaddr .
+.Fa Pgaddr
 must be an address previously returned by
 .Fn mpool_get
 or