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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [Common/] [ethernet/] [lwIP_130/] [src/] [include/] [lwip/] [netdb.h] - Rev 610
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/* * Redistribution and use in source and binary forms, with or without modification, * are permitted provided that the following conditions are met: * * 1. Redistributions of source code must retain the above copyright notice, * this list of conditions and the following disclaimer. * 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. The name of the author may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT * SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT * OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY * OF SUCH DAMAGE. * * This file is part of the lwIP TCP/IP stack. * * Author: Simon Goldschmidt * */ #include "lwip/opt.h" #if LWIP_DNS && LWIP_SOCKET #include "lwip/sockets.h" /* some rarely used options */ #ifndef LWIP_DNS_API_DECLARE_H_ERRNO #define LWIP_DNS_API_DECLARE_H_ERRNO 1 #endif #ifndef LWIP_DNS_API_DEFINE_ERRORS #define LWIP_DNS_API_DEFINE_ERRORS 1 #endif #ifndef LWIP_DNS_API_DECLARE_STRUCTS #define LWIP_DNS_API_DECLARE_STRUCTS 1 #endif #if LWIP_DNS_API_DEFINE_ERRORS /** Errors used by the DNS API functions, h_errno can be one of them */ #define EAI_NONAME 200 #define EAI_SERVICE 201 #define EAI_FAIL 202 #define EAI_MEMORY 203 #define HOST_NOT_FOUND 210 #define NO_DATA 211 #define NO_RECOVERY 212 #define TRY_AGAIN 213 #endif /* LWIP_DNS_API_DEFINE_ERRORS */ #if LWIP_DNS_API_DECLARE_STRUCTS struct hostent { char *h_name; /* Official name of the host. */ char **h_aliases; /* A pointer to an array of pointers to alternative host names, terminated by a null pointer. */ int h_addrtype; /* Address type. */ int h_length; /* The length, in bytes, of the address. */ char **h_addr_list; /* A pointer to an array of pointers to network addresses (in network byte order) for the host, terminated by a null pointer. */ #define h_addr h_addr_list[0] /* for backward compatibility */ }; struct addrinfo { int ai_flags; /* Input flags. */ int ai_family; /* Address family of socket. */ int ai_socktype; /* Socket type. */ int ai_protocol; /* Protocol of socket. */ socklen_t ai_addrlen; /* Length of socket address. */ struct sockaddr *ai_addr; /* Socket address of socket. */ char *ai_canonname; /* Canonical name of service location. */ struct addrinfo *ai_next; /* Pointer to next in list. */ }; #endif /* LWIP_DNS_API_DECLARE_STRUCTS */ #if LWIP_DNS_API_DECLARE_H_ERRNO /* application accessable error code set by the DNS API functions */ extern int h_errno; #endif /* LWIP_DNS_API_DECLARE_H_ERRNO*/ struct hostent *lwip_gethostbyname(const char *name); int lwip_gethostbyname_r(const char *name, struct hostent *ret, char *buf, size_t buflen, struct hostent **result, int *h_errnop); void lwip_freeaddrinfo(struct addrinfo *ai); int lwip_getaddrinfo(const char *nodename, const char *servname, const struct addrinfo *hints, struct addrinfo **res); #if LWIP_COMPAT_SOCKETS #define gethostbyname(name) lwip_gethostbyname(name) #define gethostbyname_r(name, ret, buf, buflen, result, h_errnop) \ lwip_gethostbyname_r(name, ret, buf, buflen, result, h_errnop) #define freeaddrinfo(addrinfo) lwip_freeaddrinfo(a) #define getaddrinfo(nodname, servname, hints, res) \ lwip_getaddrinfo(nodname, servname, hints, res) #endif /* LWIP_COMPAT_SOCKETS */ #endif /* LWIP_DNS && LWIP_SOCKET */
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