--- Libc/Libc-262/gen/basename.3
+++ Libc/Libc-498/gen/basename.3
@@ -25,7 +25,7 @@
 .\" ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 .\"
 .\" $OpenBSD: basename.3,v 1.12 2000/04/18 03:01:25 aaron Exp $
-.\" $FreeBSD: src/lib/libc/gen/basename.3,v 1.4 2001/10/01 16:08:50 ru Exp $
+.\" $FreeBSD: src/lib/libc/gen/basename.3,v 1.7 2004/07/02 23:52:10 ru Exp $
 .\"
 .Dd August 17, 1997
 .Dt BASENAME 3
@@ -36,25 +36,27 @@
 .Sh SYNOPSIS
 .In libgen.h
 .Ft char *
-.Fn basename "const char *path"
+.Fo basename
+.Fa "char *path"
+.Fc
 .Sh DESCRIPTION
 The
 .Fn basename
 function
 returns the last component from the pathname pointed to by
-.Ar path ,
+.Fa path ,
 deleting any trailing
 .Sq \&/
 characters.
 If
-.Ar path
+.Fa path
 consists entirely of
 .Sq \&/
 characters, a pointer to the string
 .Qq \&/
 is returned.
 If
-.Ar path
+.Fa path
 is a null pointer or the empty string, a pointer to the string
 .Qq \&.
 is returned.
@@ -62,7 +64,7 @@
 On successful completion,
 .Fn basename
 returns a pointer to the last component of
-.Ar path .
+.Fa path .
 .Pp
 If
 .Fn basename
@@ -78,13 +80,30 @@
 .Dv MAXPATHLEN .
 .El
 .Sh WARNINGS
+The
 .Fn basename
-returns a pointer to internal static storage space that will be overwritten
-by subsequent calls.
+function
+returns a pointer to internal static storage space
+that will be overwritten by subsequent calls.
+The function may modify the string pointed to by
+.Fa path .
+.Sh LEGACY SYNOPSIS
+.Fd #include <libgen.h>
+.Pp
+.Ft char *
+.br
+.Fo basename
+.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 dirname 3
+.Xr dirname 3 ,
+.Xr compat 5
 .Sh STANDARDS
 The
 .Fn basename
@@ -98,4 +117,4 @@
 and
 .Fx 4.2 .
 .Sh AUTHORS
-Todd C. Miller <Todd.Miller@courtesan.com>
+.An "Todd C. Miller" Aq Todd.Miller@courtesan.com