Jak
Ray
parent
e41cb774c2
commit
4b8d06f501
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src/rnet.h
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src/rnet.h
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/**********************************************************************************************
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*
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* rnet - Provides cross-platform network defines, macros etc
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*
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* DEPENDENCIES:
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* <limits.h> - Used for cross-platform type specifiers
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*
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* INSPIRED BY:
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* SFML Sockets - https://www.sfml-dev.org/documentation/2.5.1/classsf_1_1Socket.php
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* SDL_net - https://www.libsdl.org/projects/SDL_net/
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* BSD Sockets - https://www.gnu.org/software/libc/manual/html_node/Sockets.html
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* BEEJ - https://beej.us/guide/bgnet/html/single/bgnet.html
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* Winsock2 - https://docs.microsoft.com/en-us/windows/desktop/api/winsock2
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*
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*
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* CONTRIBUTORS:
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* Jak Barnes (github: @syphonx) (Feb. 2019):
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* - Initial version
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*
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* LICENSE: zlib/libpng
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*
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* Copyright (c) 2014-2019 Ramon Santamaria (@raysan5)
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*
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* This software is provided "as-is", without any express or implied warranty. In no event
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* will the authors be held liable for any damages arising from the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose, including commercial
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* applications, and to alter it and redistribute it freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not claim that you
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* wrote the original software. If you use this software in a product, an acknowledgment
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* in the product documentation would be appreciated but is not required.
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*
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* 2. Altered source versions must be plainly marked as such, and must not be misrepresented
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* as being the original software.
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*
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* 3. This notice may not be removed or altered from any source distribution.
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*
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**********************************************************************************************/
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//----------------------------------------------------------------------------------
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// Platform type sizes
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//----------------------------------------------------------------------------------
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#include <limits.h>
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//----------------------------------------------------------------------------------
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// Undefine any conflicting windows.h symbols
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//----------------------------------------------------------------------------------
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// If defined, the following flags inhibit definition of the indicated items.
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#define NOGDICAPMASKS // CC_*, LC_*, PC_*, CP_*, TC_*, RC_
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#define NOVIRTUALKEYCODES // VK_*
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#define NOWINMESSAGES // WM_*, EM_*, LB_*, CB_*
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#define NOWINSTYLES // WS_*, CS_*, ES_*, LBS_*, SBS_*, CBS_*
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#define NOSYSMETRICS // SM_*
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#define NOMENUS // MF_*
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#define NOICONS // IDI_*
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#define NOKEYSTATES // MK_*
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#define NOSYSCOMMANDS // SC_*
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#define NORASTEROPS // Binary and Tertiary raster ops
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#define NOSHOWWINDOW // SW_*
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#define OEMRESOURCE // OEM Resource values
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#define NOATOM // Atom Manager routines
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#define NOCLIPBOARD // Clipboard routines
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#define NOCOLOR // Screen colors
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#define NOCTLMGR // Control and Dialog routines
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#define NODRAWTEXT // DrawText() and DT_*
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#define NOGDI // All GDI defines and routines
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#define NOKERNEL // All KERNEL defines and routines
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#define NOUSER // All USER defines and routines
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#define NONLS // All NLS defines and routines
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#define NOMB // MB_* and MessageBox()
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#define NOMEMMGR // GMEM_*, LMEM_*, GHND, LHND, associated routines
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#define NOMETAFILE // typedef METAFILEPICT
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#define NOMINMAX // Macros min(a,b) and max(a,b)
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#define NOMSG // typedef MSG and associated routines
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#define NOOPENFILE // OpenFile(), OemToAnsi, AnsiToOem, and OF_*
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#define NOSCROLL // SB_* and scrolling routines
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#define NOSERVICE // All Service Controller routines, SERVICE_ equates, etc.
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#define NOSOUND // Sound driver routines
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#define NOTEXTMETRIC // typedef TEXTMETRIC and associated routines
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#define NOWH // SetWindowsHook and WH_*
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#define NOWINOFFSETS // GWL_*, GCL_*, associated routines
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#define NOCOMM // COMM driver routines
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#define NOKANJI // Kanji support stuff.
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#define NOHELP // Help engine interface.
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#define NOPROFILER // Profiler interface.
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#define NODEFERWINDOWPOS // DeferWindowPos routines
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#define NOMCX // Modem Configuration Extensions
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#define MMNOSOUND
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//----------------------------------------------------------------------------------
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// Platform defines
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//----------------------------------------------------------------------------------
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#define PLATFORM_WINDOWS 1
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#define PLATFORM_LINUX 2
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#if defined(__WIN32__) || defined(WIN32)
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# define PLATFORM PLATFORM_WINDOWS
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#elif defined(_LINUX)
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# define PLATFORM PLATFORM_LINUX
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#endif
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//----------------------------------------------------------------------------------
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// Platform type definitions
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// From: https://github.com/DFHack/clsocket/blob/master/src/Host.h
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//----------------------------------------------------------------------------------
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#ifdef WIN32
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typedef int socklen_t;
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#endif
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#ifndef RESULT_SUCCESS
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# define RESULT_SUCCESS 0
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#endif // RESULT_SUCCESS
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#ifndef RESULT_FAILURE
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# define RESULT_FAILURE 1
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#endif // RESULT_FAILURE
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#ifndef htonll
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# ifdef _BIG_ENDIAN
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# define htonll(x) (x)
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# define ntohll(x) (x)
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# else
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# define htonll(x) ((((uint64) htonl(x)) << 32) + htonl(x >> 32))
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# define ntohll(x) ((((uint64) ntohl(x)) << 32) + ntohl(x >> 32))
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# endif // _BIG_ENDIAN
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#endif // htonll
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//----------------------------------------------------------------------------------
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// Platform specific network includes
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// From: https://github.com/SDL-mirror/SDL_net/blob/master/SDLnetsys.h
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//----------------------------------------------------------------------------------
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// Include system network headers
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#ifdef _WIN32
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# pragma comment(lib, "ws2_32.lib")
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# define __USE_W32_SOCKETS
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# define WIN32_LEAN_AND_MEAN
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# include <winsock2.h>
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# include <Ws2tcpip.h>
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# include <io.h>
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# define IPTOS_LOWDELAY 0x10
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#else /* UNIX */
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# include <sys/types.h>
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# include <fcntl.h>
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# include <netinet/in.h>
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# include <sys/ioctl.h>
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# include <sys/time.h>
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# include <unistd.h>
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# include <net/if.h>
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# include <netdb.h>
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# include <netinet/tcp.h>
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# include <sys/socket.h>
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# include <arpa/inet.h>
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#endif /* WIN32 */
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#ifndef INVALID_SOCKET
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# define INVALID_SOCKET ~(0)
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#endif
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#ifndef __USE_W32_SOCKETS
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# define closesocket close
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# define SOCKET int
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# define INVALID_SOCKET -1
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# define SOCKET_ERROR -1
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#endif
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#ifdef __USE_W32_SOCKETS
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# ifndef EINTR
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# define EINTR WSAEINTR
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# endif
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#endif
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//----------------------------------------------------------------------------------
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// Module defines
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//----------------------------------------------------------------------------------
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// Network connection related defines
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#define SOCKET_MAX_SET_SIZE (32) // Maximum sockets in a set
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#define SOCKET_MAX_QUEUE_SIZE (16) // Maximum socket queue size
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// Network address related defines
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#define ADDRESS_IPV4_ADDRSTRLEN (22) // IPv4 string length
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#define ADDRESS_IPV6_ADDRSTRLEN (65) // IPv6 string length
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#define ADDRESS_TYPE_ANY (0) // AF_UNSPEC
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#define ADDRESS_TYPE_IPV4 (2) // AF_INET
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#define ADDRESS_TYPE_IPV6 (23) // AF_INET6
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#define ADDRESS_MAXHOST (1025) // Max size of a fully-qualified domain name
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#define ADDRESS_MAXSERV (32) // Max size of a service name
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// Network address related defines
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#define ADDRESS_ANY ((unsigned long) 0x00000000)
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#define ADDRESS_LOOPBACK (0x7f000001)
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#define ADDRESS_BROADCAST ((unsigned long) 0xffffffff)
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#define ADDRESS_NONE (0xffffffff)
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// Address resolution related defines
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#if defined(_WIN32)
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#define ADDRESS_INFO_PASSIVE (0x00000001) // Socket address will be used in bind() call
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#define ADDRESS_INFO_CANONNAME (0x00000002) // Return canonical name in first ai_canonname
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#define ADDRESS_INFO_NUMERICHOST (0x00000004) // Nodename must be a numeric address string
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#define ADDRESS_INFO_NUMERICSERV (0x00000008) // Servicename must be a numeric port number
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#define ADDRESS_INFO_DNS_ONLY (0x00000010) // Restrict queries to unicast DNS only (no LLMNR, netbios, etc.)
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#define ADDRESS_INFO_ALL (0x00000100) // Query both IP6 and IP4 with AI_V4MAPPED
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#define ADDRESS_INFO_ADDRCONFIG (0x00000400) // Resolution only if global address configured
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#define ADDRESS_INFO_V4MAPPED (0x00000800) // On v6 failure, query v4 and convert to V4MAPPED format
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#define ADDRESS_INFO_NON_AUTHORITATIVE (0x00004000) // LUP_NON_AUTHORITATIVE
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#define ADDRESS_INFO_SECURE (0x00008000) // LUP_SECURE
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#define ADDRESS_INFO_RETURN_PREFERRED_NAMES (0x00010000) // LUP_RETURN_PREFERRED_NAMES
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#define ADDRESS_INFO_FQDN (0x00020000) // Return the FQDN in ai_canonname
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#define ADDRESS_INFO_FILESERVER (0x00040000) // Resolving fileserver name resolution
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#define ADDRESS_INFO_DISABLE_IDN_ENCODING (0x00080000) // Disable Internationalized Domain Names handling
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#define ADDRESS_INFO_EXTENDED (0x80000000) // Indicates this is extended ADDRINFOEX(2/..) struct
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#define ADDRESS_INFO_RESOLUTION_HANDLE (0x40000000) // Request resolution handle
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#endif
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// Network resolution related defines
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#define NAME_INFO_DEFAULT (0x00) // No flags set
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#define NAME_INFO_NOFQDN (0x01) // Only return nodename portion for local hosts
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#define NAME_INFO_NUMERICHOST (0x02) // Return numeric form of the host's address
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#define NAME_INFO_NAMEREQD (0x04) // Error if the host's name not in DNS
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#define NAME_INFO_NUMERICSERV (0x08) // Return numeric form of the service (port #)
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#define NAME_INFO_DGRAM (0x10) // Service is a datagram service
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