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/*
* internal definitions for use within the library; do not export!
* Copyright (C) 1998, 1999 Henry Spencer.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/lgpl.txt>.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Library General Public
* License for more details.
*
* RCSID $Id: internal.h 3265 2007-10-08 19:52:55Z andreas $
*/
#ifndef ABITS
#define ABITS 32 /* bits in an IPv4 address */
#endif
/* case-independent ASCII character equality comparison */
#define CIEQ(c1, c2) ( ((c1)&~040) == ((c2)&~040) )
/* syntax for passthrough SA */
#ifndef PASSTHROUGHNAME
#define PASSTHROUGHNAME "%passthrough"
#define PASSTHROUGH4NAME "%passthrough4"
#define PASSTHROUGH6NAME "%passthrough6"
#define PASSTHROUGHIS "tun0@0.0.0.0"
#define PASSTHROUGH4IS "tun0@0.0.0.0"
#define PASSTHROUGH6IS "tun0@::"
#define PASSTHROUGHTYPE "tun"
#define PASSTHROUGHSPI 0
#define PASSTHROUGHDST 0
#endif
/*
* Headers, greatly complicated by stupid and unnecessary inconsistencies
* between the user environment and the kernel environment. These are done
* here so that this mess need exist in only one place.
*
* It may seem like a -I or two could avoid most of this, but on closer
* inspection it is not quite that easy.
*/
/* things that need to come from one place or the other, depending */
#ifdef __KERNEL__
#include <linux/types.h>
#include <linux/socket.h>
#include <linux/in.h>
#include <linux/string.h>
#include <linux/ctype.h>
#define assert(foo) /* nothing */
#else
#include <sys/types.h>
#include <netinet/in.h>
#include <string.h>
#include <ctype.h>
#include <assert.h>
#endif
/* things that exist only in userland */
#ifndef __KERNEL__
/* You'd think this would be okay in the kernel too -- it's just a */
/* bunch of constants -- but no, in RH5.1 it screws up other things. */
/* (Credit: Mike Warfield tracked this problem down. Thanks Mike!) */
/* Fortunately, we don't need it in the kernel subset of the library. */
#include <limits.h>
/* header files for things that should never be called in kernel */
#include <netdb.h>
/* memory allocation, currently user-only, macro-ized just in case */
#include <stdlib.h>
#define MALLOC(n) malloc(n)
#define FREE(p) free(p)
#endif /* __KERNEL__ */
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