dup23d.c revision 3f54fd611f536639ec30dd53c48e5ec1897cc7d9
/***********************************************************************
* *
* This software is part of the ast package *
* Copyright (c) 1989-2011 AT&T Intellectual Property *
* and is licensed under the *
* Eclipse Public License, Version 1.0 *
* by AT&T Intellectual Property *
* *
* A copy of the License is available at *
* http://www.eclipse.org/org/documents/epl-v10.html *
* (with md5 checksum b35adb5213ca9657e911e9befb180842) *
* *
* Information and Software Systems Research *
* AT&T Research *
* Florham Park NJ *
* *
* Glenn Fowler <gsf@research.att.com> *
* David Korn <dgk@research.att.com> *
* Eduardo Krell <ekrell@adexus.cl> *
* *
***********************************************************************/
#pragma prototyped
#include "3d.h"
#ifdef dup23d
int
dup23d(int fd, register int r)
{
initialize();
if (r >= 0 && r < elementsof(state.file) && state.file[r].reserved) close(r);
r = DUP2(fd, r);
#if FS
if (r >= 0 && r < elementsof(state.file))
fs3d_dup(fd, r);
#endif
return(r);
}
#else
NoN(dup2)
#endif