--- Libc/Libc-262/gen/dirname.3
+++ Libc/Libc-583/gen/dirname.3
@@ -25,18 +25,20 @@
 .\" ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\" $OpenBSD: dirname.3,v 1.9 2000/04/18 03:01:25 aaron Exp $
-.\" $FreeBSD: src/lib/libc/gen/dirname.3,v 1.4 2001/10/01 16:08:50 ru Exp $
+.\" $FreeBSD: src/lib/libc/gen/dirname.3,v 1.8 2004/07/02 23:52:10 ru Exp $
 .\"
 .Dd August 17, 1997
 .Dt DIRNAME 3
 .Os
 .Sh NAME
 .Nm dirname
-.Nd extract the directory portition of a pathname
+.Nd extract the directory part of a pathname
 .Sh SYNOPSIS
 .In libgen.h
 .Ft char *
-.Fn dirname "const char *path"
+.Fo dirname
+.Fa "char *path"
+.Fc
 .Sh DESCRIPTION
 The
 .Fn dirname
@@ -44,13 +46,13 @@
 is the converse of
 .Xr basename 3 ;
 it returns a pointer to the parent directory of the pathname pointed to by
-.Ar path .
+.Fa path .
 Any trailing
 .Sq \&/
 characters are not counted as part of the directory
 name.
 If
-.Ar path
+.Fa path
 is a null pointer, the empty string, or contains no
 .Sq \&/
 characters,
@@ -62,7 +64,7 @@
 On successful completion,
 .Fn dirname
 returns a pointer to the parent directory of
-.Ar path .
+.Fa path .
 .Pp
 If
 .Fn dirname
@@ -78,7 +80,9 @@
 .Dv MAXPATHLEN .
 .El
 .Sh WARNINGS
+The
 .Fn dirname
+function
 returns a pointer to internal static storage space that will be overwritten
 by subsequent calls (each function has its own separate storage).
 .Pp
@@ -86,12 +90,25 @@
 .Fn dirname
 may modify the contents of the string passed to
 .Fn dirname ;
-this should be taken into account when writing code which calls this function
-if portability is desired.
+if portability is desired,
+this should be taken into account when writing code which calls this function.
+.Sh LEGACY SYNOPSIS
+.Fd #include <libgen.h>
+.Pp
+.Ft char *
+.br
+.Fo dirname
+.Fa "const char *path"
+.Fc ;
+.Pp
+In legacy mode,
+.Fa path
+will not be changed.
 .Sh SEE ALSO
 .Xr basename 1 ,
 .Xr dirname 1 ,
-.Xr basename 3
+.Xr basename 3 ,
+.Xr compat 5
 .Sh STANDARDS
 The
 .Fn dirname
@@ -105,4 +122,4 @@
 and
 .Fx 4.2 .
 .Sh AUTHORS
-Todd C. Miller <Todd.Miller@courtesan.com>
+.An "Todd C. Miller" Aq Todd.Miller@courtesan.com