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inet.h
00001 /* 00002 * Copyright (c) 2001-2004 Swedish Institute of Computer Science. 00003 * All rights reserved. 00004 * 00005 * Redistribution and use in source and binary forms, with or without modification, 00006 * are permitted provided that the following conditions are met: 00007 * 00008 * 1. Redistributions of source code must retain the above copyright notice, 00009 * this list of conditions and the following disclaimer. 00010 * 2. Redistributions in binary form must reproduce the above copyright notice, 00011 * this list of conditions and the following disclaimer in the documentation 00012 * and/or other materials provided with the distribution. 00013 * 3. The name of the author may not be used to endorse or promote products 00014 * derived from this software without specific prior written permission. 00015 * 00016 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED 00017 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 00018 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT 00019 * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00020 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT 00021 * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 00022 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 00023 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING 00024 * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 00025 * OF SUCH DAMAGE. 00026 * 00027 * This file is part of the lwIP TCP/IP stack. 00028 * 00029 * Author: Adam Dunkels <adam@sics.se> 00030 * 00031 */ 00032 #ifndef __LWIP_INET_H__ 00033 #define __LWIP_INET_H__ 00034 00035 #include "lwip/opt.h" 00036 00037 #ifdef __cplusplus 00038 extern "C" { 00039 #endif 00040 00041 /* For compatibility with BSD code */ 00042 struct in_addr { 00043 u32_t s_addr; 00044 }; 00045 00046 #define INADDR_NONE ((u32_t)0xffffffffUL) /* 255.255.255.255 */ 00047 #define INADDR_LOOPBACK ((u32_t)0x7f000001UL) /* 127.0.0.1 */ 00048 #define INADDR_ANY ((u32_t)0x00000000UL) /* 0.0.0.0 */ 00049 #define INADDR_BROADCAST ((u32_t)0xffffffffUL) /* 255.255.255.255 */ 00050 00051 u32_t inet_addr(const char *cp); 00052 int inet_aton(const char *cp, struct in_addr *addr); 00053 char *inet_ntoa(struct in_addr addr); /* returns ptr to static buffer; not reentrant! */ 00054 00055 #ifdef htons 00056 #undef htons 00057 #endif /* htons */ 00058 #ifdef htonl 00059 #undef htonl 00060 #endif /* htonl */ 00061 #ifdef ntohs 00062 #undef ntohs 00063 #endif /* ntohs */ 00064 #ifdef ntohl 00065 #undef ntohl 00066 #endif /* ntohl */ 00067 00068 #ifndef LWIP_PLATFORM_BYTESWAP 00069 #define LWIP_PLATFORM_BYTESWAP 0 00070 #endif 00071 00072 #if BYTE_ORDER == BIG_ENDIAN 00073 #define htons(x) (x) 00074 #define ntohs(x) (x) 00075 #define htonl(x) (x) 00076 #define ntohl(x) (x) 00077 #else /* BYTE_ORDER != BIG_ENDIAN */ 00078 #ifdef LWIP_PREFIX_BYTEORDER_FUNCS 00079 /* workaround for naming collisions on some platforms */ 00080 #define htons lwip_htons 00081 #define ntohs lwip_ntohs 00082 #define htonl lwip_htonl 00083 #define ntohl lwip_ntohl 00084 #endif /* LWIP_PREFIX_BYTEORDER_FUNCS */ 00085 #if LWIP_PLATFORM_BYTESWAP 00086 #define htons(x) LWIP_PLATFORM_HTONS(x) 00087 #define ntohs(x) LWIP_PLATFORM_HTONS(x) 00088 #define htonl(x) LWIP_PLATFORM_HTONL(x) 00089 #define ntohl(x) LWIP_PLATFORM_HTONL(x) 00090 #else /* LWIP_PLATFORM_BYTESWAP */ 00091 u16_t htons(u16_t x); 00092 u16_t ntohs(u16_t x); 00093 u32_t htonl(u32_t x); 00094 u32_t ntohl(u32_t x); 00095 #endif /* LWIP_PLATFORM_BYTESWAP */ 00096 00097 #endif /* BYTE_ORDER == BIG_ENDIAN */ 00098 00099 #ifdef __cplusplus 00100 } 00101 #endif 00102 00103 #endif /* __LWIP_INET_H__ */
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