| 1 | #ifndef _system_network_h
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| 2 | #define _system_network_h
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| 3 | /*
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| 4 | Unix SMB/CIFS implementation.
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| 5 |
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| 6 | networking system include wrappers
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| 7 |
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| 8 | Copyright (C) Andrew Tridgell 2004
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| 9 | Copyright (C) Jelmer Vernooij 2007
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| 10 |
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| 11 | ** NOTE! The following LGPL license applies to the replace
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| 12 | ** library. This does NOT imply that all of Samba is released
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| 13 | ** under the LGPL
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| 14 |
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| 15 | This library is free software; you can redistribute it and/or
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| 16 | modify it under the terms of the GNU Lesser General Public
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| 17 | License as published by the Free Software Foundation; either
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| 18 | version 3 of the License, or (at your option) any later version.
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| 19 |
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| 20 | This library is distributed in the hope that it will be useful,
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| 21 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 23 | Lesser General Public License for more details.
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| 24 |
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| 25 | You should have received a copy of the GNU Lesser General Public
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| 26 | License along with this library; if not, see <http://www.gnu.org/licenses/>.
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| 27 |
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| 28 | */
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| 29 |
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| 30 | #ifndef LIBREPLACE_NETWORK_CHECKS
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| 31 | #error "AC_LIBREPLACE_NETWORK_CHECKS missing in configure"
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| 32 | #endif
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| 33 |
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| 34 | #ifdef HAVE_SYS_SOCKET_H
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| 35 | #include <sys/socket.h>
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| 36 | #endif
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| 37 |
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| 38 | #ifdef HAVE_UNIXSOCKET
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| 39 | #include <sys/un.h>
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| 40 | #endif
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| 41 |
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| 42 | #ifdef HAVE_NETINET_IN_H
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| 43 | #include <netinet/in.h>
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| 44 | #endif
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| 45 | #ifdef HAVE_ARPA_INET_H
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| 46 | #include <arpa/inet.h>
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| 47 | #endif
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| 48 |
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| 49 | #ifdef HAVE_NETDB_H
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| 50 | #include <netdb.h>
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| 51 | #endif
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| 52 |
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| 53 | #ifdef HAVE_NETINET_TCP_H
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| 54 | #include <netinet/tcp.h>
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| 55 | #endif
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| 56 |
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| 57 | /*
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| 58 | * The next three defines are needed to access the IPTOS_* options
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| 59 | * on some systems.
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| 60 | */
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| 61 |
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| 62 | #ifdef HAVE_NETINET_IN_SYSTM_H
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| 63 | #include <netinet/in_systm.h>
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| 64 | #endif
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| 65 |
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| 66 | #ifdef HAVE_NETINET_IN_IP_H
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| 67 | #include <netinet/in_ip.h>
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| 68 | #endif
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| 69 |
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| 70 | #ifdef HAVE_NETINET_IP_H
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| 71 | #include <netinet/ip.h>
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| 72 | #endif
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| 73 |
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| 74 | #ifdef HAVE_NET_IF_H
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| 75 | #include <net/if.h>
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| 76 | #endif
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| 77 |
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| 78 | #ifdef HAVE_UNISTD_H
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| 79 | #include <unistd.h>
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| 80 | #endif
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| 81 |
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| 82 | #ifdef HAVE_SYS_IOCTL_H
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| 83 | #include <sys/ioctl.h>
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| 84 | #endif
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| 85 |
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| 86 | #ifdef HAVE_SYS_UIO_H
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| 87 | #include <sys/uio.h>
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| 88 | #endif
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| 89 |
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| 90 | #ifdef HAVE_STROPTS_H
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| 91 | #include <stropts.h>
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| 92 | #endif
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| 93 |
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| 94 | #ifndef HAVE_SOCKLEN_T
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| 95 | #define HAVE_SOCKLEN_T
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| 96 | typedef int socklen_t;
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| 97 | #endif
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| 98 |
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| 99 | #if !defined (HAVE_INET_NTOA) || defined(REPLACE_INET_NTOA)
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| 100 | /* define is in "replace.h" */
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| 101 | char *rep_inet_ntoa(struct in_addr ip);
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| 102 | #endif
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| 103 |
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| 104 | #ifndef HAVE_INET_PTON
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| 105 | /* define is in "replace.h" */
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| 106 | int rep_inet_pton(int af, const char *src, void *dst);
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| 107 | #endif
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| 108 |
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| 109 | #ifndef HAVE_INET_NTOP
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| 110 | /* define is in "replace.h" */
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| 111 | const char *rep_inet_ntop(int af, const void *src, char *dst, socklen_t size);
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| 112 | #endif
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| 113 |
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| 114 | #ifndef HAVE_INET_ATON
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| 115 | /* define is in "replace.h" */
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| 116 | int rep_inet_aton(const char *src, struct in_addr *dst);
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| 117 | #endif
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| 118 |
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| 119 | #ifndef HAVE_CONNECT
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| 120 | /* define is in "replace.h" */
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| 121 | int rep_connect(int sockfd, const struct sockaddr *addr, socklen_t addrlen);
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| 122 | #endif
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| 123 |
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| 124 | #ifndef HAVE_GETHOSTBYNAME
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| 125 | /* define is in "replace.h" */
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| 126 | struct hostent *rep_gethostbyname(const char *name);
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| 127 | #endif
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| 128 |
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| 129 | #ifdef HAVE_IFADDRS_H
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| 130 | #include <ifaddrs.h>
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| 131 | #endif
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| 132 |
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| 133 | #ifndef HAVE_STRUCT_IFADDRS
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| 134 | struct ifaddrs {
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| 135 | struct ifaddrs *ifa_next; /* Pointer to next struct */
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| 136 | char *ifa_name; /* Interface name */
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| 137 | unsigned int ifa_flags; /* Interface flags */
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| 138 | struct sockaddr *ifa_addr; /* Interface address */
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| 139 | struct sockaddr *ifa_netmask; /* Interface netmask */
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| 140 | #undef ifa_dstaddr
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| 141 | struct sockaddr *ifa_dstaddr; /* P2P interface destination */
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| 142 | void *ifa_data; /* Address specific data */
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| 143 | };
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| 144 | #endif
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| 145 |
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| 146 | #ifndef HAVE_GETIFADDRS
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| 147 | int rep_getifaddrs(struct ifaddrs **);
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| 148 | #endif
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| 149 |
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| 150 | #ifndef HAVE_FREEIFADDRS
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| 151 | void rep_freeifaddrs(struct ifaddrs *);
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| 152 | #endif
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| 153 |
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| 154 | #ifndef HAVE_SOCKETPAIR
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| 155 | /* define is in "replace.h" */
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| 156 | int rep_socketpair(int d, int type, int protocol, int sv[2]);
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| 157 | #endif
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| 158 |
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| 159 | /*
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| 160 | * Some systems have getaddrinfo but not the
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| 161 | * defines needed to use it.
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| 162 | */
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| 163 |
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| 164 | /* Various macros that ought to be in <netdb.h>, but might not be */
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| 165 |
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| 166 | #ifndef EAI_FAIL
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| 167 | #define EAI_BADFLAGS (-1)
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| 168 | #define EAI_NONAME (-2)
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| 169 | #define EAI_AGAIN (-3)
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| 170 | #define EAI_FAIL (-4)
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| 171 | #define EAI_FAMILY (-6)
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| 172 | #define EAI_SOCKTYPE (-7)
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| 173 | #define EAI_SERVICE (-8)
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| 174 | #define EAI_MEMORY (-10)
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| 175 | #define EAI_SYSTEM (-11)
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| 176 | #endif /* !EAI_FAIL */
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| 177 |
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| 178 | #ifndef AI_PASSIVE
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| 179 | #define AI_PASSIVE 0x0001
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| 180 | #endif
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| 181 |
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| 182 | #ifndef AI_CANONNAME
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| 183 | #define AI_CANONNAME 0x0002
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| 184 | #endif
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| 185 |
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| 186 | #ifndef AI_NUMERICHOST
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| 187 | /*
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| 188 | * some platforms don't support AI_NUMERICHOST; define as zero if using
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| 189 | * the system version of getaddrinfo...
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| 190 | */
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| 191 | #if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
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| 192 | #define AI_NUMERICHOST 0
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| 193 | #else
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| 194 | #define AI_NUMERICHOST 0x0004
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| 195 | #endif
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| 196 | #endif
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| 197 |
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| 198 | /*
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| 199 | * Some of the functions in source3/lib/util_sock.c use AI_ADDRCONFIG. On QNX
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| 200 | * 6.3.0, this macro is defined but, if it's used, getaddrinfo will fail. This
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| 201 | * prevents smbd from opening any sockets.
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| 202 | *
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| 203 | * If I undefine AI_ADDRCONFIG on such systems and define it to be 0,
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| 204 | * this works around the issue.
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| 205 | */
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| 206 | #ifdef __QNX__
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| 207 | #include <sys/neutrino.h>
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| 208 | #if _NTO_VERSION == 630
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| 209 | #undef AI_ADDRCONFIG
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| 210 | #endif
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| 211 | #endif
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| 212 | #ifndef AI_ADDRCONFIG
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| 213 | /*
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| 214 | * logic copied from AI_NUMERICHOST
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| 215 | */
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| 216 | #if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
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| 217 | #define AI_ADDRCONFIG 0
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| 218 | #else
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| 219 | #define AI_ADDRCONFIG 0x0020
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| 220 | #endif
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| 221 | #endif
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| 222 |
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| 223 | #ifndef AI_NUMERICSERV
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| 224 | /*
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| 225 | * logic copied from AI_NUMERICHOST
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| 226 | */
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| 227 | #if defined(HAVE_STRUCT_ADDRINFO) && defined(HAVE_GETADDRINFO)
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| 228 | #define AI_NUMERICSERV 0
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| 229 | #else
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| 230 | #define AI_NUMERICSERV 0x0400
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| 231 | #endif
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| 232 | #endif
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| 233 |
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| 234 | #ifndef NI_NUMERICHOST
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| 235 | #define NI_NUMERICHOST 1
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| 236 | #endif
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| 237 |
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| 238 | #ifndef NI_NUMERICSERV
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| 239 | #define NI_NUMERICSERV 2
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| 240 | #endif
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| 241 |
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| 242 | #ifndef NI_NOFQDN
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| 243 | #define NI_NOFQDN 4
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| 244 | #endif
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| 245 |
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| 246 | #ifndef NI_NAMEREQD
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| 247 | #define NI_NAMEREQD 8
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| 248 | #endif
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| 249 |
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| 250 | #ifndef NI_DGRAM
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| 251 | #define NI_DGRAM 16
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| 252 | #endif
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| 253 |
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| 254 |
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| 255 | #ifndef NI_MAXHOST
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| 256 | #define NI_MAXHOST 1025
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| 257 | #endif
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| 258 |
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| 259 | #ifndef NI_MAXSERV
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| 260 | #define NI_MAXSERV 32
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| 261 | #endif
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| 262 |
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| 263 | /*
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| 264 | * glibc on linux doesn't seem to have MSG_WAITALL
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| 265 | * defined. I think the kernel has it though..
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| 266 | */
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| 267 | #ifndef MSG_WAITALL
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| 268 | #define MSG_WAITALL 0
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| 269 | #endif
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| 270 |
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| 271 | #ifndef INADDR_LOOPBACK
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| 272 | #define INADDR_LOOPBACK 0x7f000001
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| 273 | #endif
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| 274 |
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| 275 | #ifndef INADDR_NONE
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| 276 | #define INADDR_NONE 0xffffffff
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| 277 | #endif
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| 278 |
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| 279 | #ifndef EAFNOSUPPORT
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| 280 | #define EAFNOSUPPORT EINVAL
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| 281 | #endif
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| 282 |
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| 283 | #ifndef INET_ADDRSTRLEN
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| 284 | #define INET_ADDRSTRLEN 16
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| 285 | #endif
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| 286 |
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| 287 | #ifndef INET6_ADDRSTRLEN
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| 288 | #define INET6_ADDRSTRLEN 46
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| 289 | #endif
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| 290 |
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| 291 | #ifndef HOST_NAME_MAX
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| 292 | #define HOST_NAME_MAX 255
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| 293 | #endif
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| 294 |
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| 295 | #ifndef MAXHOSTNAMELEN
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| 296 | #define MAXHOSTNAMELEN HOST_NAME_MAX
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| 297 | #endif
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| 298 |
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| 299 | #ifndef HAVE_SA_FAMILY_T
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| 300 | #define HAVE_SA_FAMILY_T
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| 301 | typedef unsigned short int sa_family_t;
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| 302 | #endif
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| 303 |
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| 304 | #ifndef HAVE_STRUCT_SOCKADDR_STORAGE
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| 305 | #define HAVE_STRUCT_SOCKADDR_STORAGE
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| 306 | #ifdef HAVE_STRUCT_SOCKADDR_IN6
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| 307 | #define sockaddr_storage sockaddr_in6
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| 308 | #define ss_family sin6_family
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| 309 | #define HAVE_SS_FAMILY 1
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| 310 | #else
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| 311 | #define sockaddr_storage sockaddr_in
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| 312 | #define ss_family sin_family
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| 313 | #define HAVE_SS_FAMILY 1
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| 314 | #endif
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| 315 | #endif
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| 316 |
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| 317 | #ifndef HAVE_SS_FAMILY
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| 318 | #ifdef HAVE___SS_FAMILY
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| 319 | #define ss_family __ss_family
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| 320 | #define HAVE_SS_FAMILY 1
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| 321 | #endif
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| 322 | #endif
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| 323 |
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| 324 | #ifndef IOV_MAX
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| 325 | # ifdef UIO_MAXIOV
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| 326 | # define IOV_MAX UIO_MAXIOV
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| 327 | # else
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| 328 | # ifdef __sgi
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| 329 | /*
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| 330 | * IRIX 6.5 has sysconf(_SC_IOV_MAX)
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| 331 | * which might return 512 or bigger
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| 332 | */
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| 333 | # define IOV_MAX 512
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| 334 | # else
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| 335 | # error IOV_MAX and UIO_MAXIOV undefined
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| 336 | # endif
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| 337 | # endif
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| 338 | #endif
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| 339 |
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| 340 | #ifndef HAVE_STRUCT_ADDRINFO
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| 341 | #define HAVE_STRUCT_ADDRINFO
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| 342 | struct addrinfo {
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| 343 | int ai_flags;
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| 344 | int ai_family;
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| 345 | int ai_socktype;
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| 346 | int ai_protocol;
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| 347 | socklen_t ai_addrlen;
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| 348 | struct sockaddr *ai_addr;
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| 349 | char *ai_canonname;
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| 350 | struct addrinfo *ai_next;
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| 351 | };
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| 352 | #endif /* HAVE_STRUCT_ADDRINFO */
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| 353 |
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| 354 | #if !defined(HAVE_GETADDRINFO)
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| 355 | #include "getaddrinfo.h"
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| 356 | #endif
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| 357 |
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| 358 | /* Needed for some systems that don't define it (Solaris). */
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| 359 | #ifndef ifr_netmask
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| 360 | #define ifr_netmask ifr_addr
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| 361 | #endif
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| 362 |
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| 363 | #ifdef SOCKET_WRAPPER
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| 364 | #ifndef SOCKET_WRAPPER_DISABLE
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| 365 | #ifndef SOCKET_WRAPPER_NOT_REPLACE
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| 366 | #define SOCKET_WRAPPER_REPLACE
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| 367 | #endif /* SOCKET_WRAPPER_NOT_REPLACE */
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| 368 | #include "../socket_wrapper/socket_wrapper.h"
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| 369 | #endif /* SOCKET_WRAPPER_DISABLE */
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| 370 | #endif /* SOCKET_WRAPPER */
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| 371 |
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| 372 | #endif
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