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jeremybenn |
/*
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* Copyright (c) 2001-2004 Swedish Institute of Computer Science.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
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* SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
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* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
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* IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
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* OF SUCH DAMAGE.
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*
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* This file is part of the lwIP TCP/IP stack.
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*
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* Author: Adam Dunkels <adam@sics.se>
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*
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*/
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#ifndef __LWIP_INET_H__
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#define __LWIP_INET_H__
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#include "lwip/arch.h"
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#include "lwip/opt.h"
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#include "lwip/pbuf.h"
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#include "lwip/ip_addr.h"
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u16_t inet_chksum(void *dataptr, u16_t len);
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u16_t inet_chksum_pbuf(struct pbuf *p);
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u16_t inet_chksum_pseudo(struct pbuf *p,
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struct ip_addr *src, struct ip_addr *dest,
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u8_t proto, u16_t proto_len);
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u32_t inet_addr(const char *cp);
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int inet_aton(const char *cp, struct in_addr *addr);
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char *inet_ntoa(struct in_addr addr); /* returns ptr to static buffer; not reentrant! */
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#ifdef htons
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#undef htons
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#endif /* htons */
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#ifdef htonl
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#undef htonl
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#endif /* htonl */
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#ifdef ntohs
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#undef ntohs
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#endif /* ntohs */
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#ifdef ntohl
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#undef ntohl
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#endif /* ntohl */
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#if BYTE_ORDER == BIG_ENDIAN
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#define htons(x) (x)
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#define ntohs(x) (x)
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#define htonl(x) (x)
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#define ntohl(x) (x)
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#else
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#ifdef LWIP_PREFIX_BYTEORDER_FUNCS
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/* workaround for naming collisions on some platforms */
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#define htons lwip_htons
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#define ntohs lwip_ntohs
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#define htonl lwip_htonl
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#define ntohl lwip_ntohl
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#endif
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u16_t htons(u16_t x);
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u16_t ntohs(u16_t x);
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u32_t htonl(u32_t x);
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u32_t ntohl(u32_t x);
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#endif
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#endif /* __LWIP_INET_H__ */
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