--- Libc/Libc-763.12/stdlib/realpath.3
+++ Libc/Libc-262/stdlib/realpath.3
@@ -12,6 +12,10 @@
 .\" 2. Redistributions in binary form must reproduce the above copyright
 .\"    notice, this list of conditions and the following disclaimer in the
 .\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
 .\" 4. Neither the name of the University nor the names of its contributors
 .\"    may be used to endorse or promote products derived from this software
 .\"    without specific prior written permission.
@@ -29,75 +33,65 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     @(#)realpath.3	8.2 (Berkeley) 2/16/94
-.\" $FreeBSD: src/lib/libc/stdlib/realpath.3,v 1.14 2007/01/09 00:28:10 imp Exp $
+.\" $FreeBSD: src/lib/libc/stdlib/realpath.3,v 1.10 2001/09/07 14:46:36 asmodai Exp $
 .\"
-.Dd April 5, 2008
+.Dd February 16, 1994
 .Dt REALPATH 3
 .Os
 .Sh NAME
 .Nm realpath
 .Nd returns the canonicalized absolute pathname
-.\" .Sh LIBRARY
-.\" .Lb libc
+.Sh LIBRARY
+.Lb libc
 .Sh SYNOPSIS
+.In sys/param.h
 .In stdlib.h
 .Ft "char *"
-.Fo realpath
-.Fa "const char *restrict file_name"
-.Fa "char *restrict resolved_name"
-.Fc
+.Fn realpath "const char *pathname" "char resolved_path[MAXPATHLEN]"
 .Sh DESCRIPTION
 The
 .Fn realpath
 function resolves all symbolic links, extra
 .Dq /
-characters, and references to
+characters and references to
 .Pa /./
 and
 .Pa /../
 in
-.Fa file_name .
-If the
-.Fa resolved_name
+.Fa pathname ,
+and copies the resulting absolute pathname into
+the memory referenced by
+.Fa resolved_path .
+The
+.Fa resolved_path
 argument
-is non-NULL, the resulting absolute pathname is copied there (it
 .Em must
 refer to a buffer capable of storing at least
-.Dv PATH_MAX
-characters).
-.Pp
-As a permitted extension to the standard, if
-.Fa resolved_name
-is NULL, 
-memory is allocated for the resulting absolute pathname, and is returned by
-.Fn realpath .
-This memory should be freed by a call to
-.Xr free 3
-when no longer needed.
+.Dv MAXPATHLEN
+characters.
 .Pp
 The
 .Fn realpath
 function will resolve both absolute and relative paths
 and return the absolute pathname corresponding to
-.Fa file_name .
-All components of
-.Fa file_name
+.Fa pathname .
+All but the last component of
+.Fa pathname
 must exist when
 .Fn realpath
 is called.
 .Sh "RETURN VALUES"
-On success, the
+The
 .Fn realpath
-function returns the address of the resulting absolute pathname, which is
-.Fa resolved_name
-if it was non-NULL, or the address of newly allocated memory.
+function returns
+.Fa resolved_path
+on success.
 If an error occurs,
 .Fn realpath
 returns
-.Dv NULL .
-If
-.Fa resolved_name
-was non-NULL, it will
+.Dv NULL ,
+and
+.Fa resolved_path
 contains the pathname which caused the problem.
 .Sh ERRORS
 The function
@@ -105,46 +99,30 @@
 may fail and set the external variable
 .Va errno
 for any of the errors specified for the library functions
-.Xr alloca 3 ,
-.Xr getattrlist 2 ,
-.Xr getcwd 3 ,
+.Xr chdir 2 ,
+.Xr close 2 ,
+.Xr fchdir 2 ,
 .Xr lstat 2 ,
-.Xr readlink 2 ,
-.Xr stat 2 ,
+.Xr open 2 ,
+.Xr readlink 2
 and
-.Xr strdup 3 .
-.\" .Sh CAVEATS
-.\" This implementation of
-.\" .Fn realpath
-.\" differs slightly from the Solaris implementation.
-.\" The
-.\" .Bx 4.4
-.\" version always returns absolute pathnames,
-.\" whereas the Solaris implementation will,
-.\" under certain circumstances, return a relative
-.\" .Fa resolved_name
-.\" when given a relative
-.\" .Fa file_name .
-.Sh LEGACY SYNOPSIS
-.Fd #include <sys/param.h>
-.Fd #include <stdlib.h>
-.Pp
-The include file
-.In sys/param.h
-is necessary.
-.Sh LEGACY DESCRIPTION
-In legacy mode,
-the last component of
-.Fa file_name
-does not need to exist when
+.Xr getcwd 3 .
+.Sh CAVEATS
+This implementation of
 .Fn realpath
-is called.
+differs slightly from the Solaris implementation.
+The
+.Bx 4.4
+version always returns absolute pathnames,
+whereas the Solaris implementation will,
+under certain circumstances, return a relative
+.Fa resolved_path
+when given a relative
+.Fa pathname .
 .Sh "SEE ALSO"
-.Xr free 3 ,
-.Xr getcwd 3 ,
-.Xr compat 5
+.Xr getcwd 3
 .Sh HISTORY
 The
 .Fn realpath
-function first appeared in
+function call first appeared in
 .Bx 4.4 .