initial commit
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/*
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* Copyright (C) Igor Sysoev
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* Copyright (C) Nginx, Inc.
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*/
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#ifndef _NGX_SOCKET_H_INCLUDED_
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#define _NGX_SOCKET_H_INCLUDED_
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#include <ngx_config.h>
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#include <ngx_core.h>
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#define NGX_WRITE_SHUTDOWN SD_SEND
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typedef SOCKET ngx_socket_t;
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typedef int socklen_t;
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#define ngx_socket(af, type, proto) \
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WSASocketW(af, type, proto, NULL, 0, WSA_FLAG_OVERLAPPED)
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#define ngx_socket_n "WSASocketW()"
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int ngx_nonblocking(ngx_socket_t s);
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int ngx_blocking(ngx_socket_t s);
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#define ngx_nonblocking_n "ioctlsocket(FIONBIO)"
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#define ngx_blocking_n "ioctlsocket(!FIONBIO)"
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int ngx_socket_nread(ngx_socket_t s, int *n);
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#define ngx_socket_nread_n "ioctlsocket(FIONREAD)"
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#define ngx_shutdown_socket shutdown
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#define ngx_shutdown_socket_n "shutdown()"
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#define ngx_close_socket closesocket
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#define ngx_close_socket_n "closesocket()"
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#ifndef WSAID_ACCEPTEX
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typedef BOOL (PASCAL FAR * LPFN_ACCEPTEX)(
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IN SOCKET sListenSocket,
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IN SOCKET sAcceptSocket,
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IN PVOID lpOutputBuffer,
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IN DWORD dwReceiveDataLength,
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IN DWORD dwLocalAddressLength,
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IN DWORD dwRemoteAddressLength,
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OUT LPDWORD lpdwBytesReceived,
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IN LPOVERLAPPED lpOverlapped
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);
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#define WSAID_ACCEPTEX \
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{0xb5367df1,0xcbac,0x11cf,{0x95,0xca,0x00,0x80,0x5f,0x48,0xa1,0x92}}
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#endif
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#ifndef WSAID_GETACCEPTEXSOCKADDRS
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typedef VOID (PASCAL FAR * LPFN_GETACCEPTEXSOCKADDRS)(
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IN PVOID lpOutputBuffer,
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IN DWORD dwReceiveDataLength,
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IN DWORD dwLocalAddressLength,
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IN DWORD dwRemoteAddressLength,
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OUT struct sockaddr **LocalSockaddr,
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OUT LPINT LocalSockaddrLength,
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OUT struct sockaddr **RemoteSockaddr,
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OUT LPINT RemoteSockaddrLength
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);
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#define WSAID_GETACCEPTEXSOCKADDRS \
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{0xb5367df2,0xcbac,0x11cf,{0x95,0xca,0x00,0x80,0x5f,0x48,0xa1,0x92}}
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#endif
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#ifndef WSAID_TRANSMITFILE
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#ifndef TF_DISCONNECT
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#define TF_DISCONNECT 1
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#define TF_REUSE_SOCKET 2
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#define TF_WRITE_BEHIND 4
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#define TF_USE_DEFAULT_WORKER 0
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#define TF_USE_SYSTEM_THREAD 16
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#define TF_USE_KERNEL_APC 32
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typedef struct _TRANSMIT_FILE_BUFFERS {
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LPVOID Head;
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DWORD HeadLength;
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LPVOID Tail;
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DWORD TailLength;
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} TRANSMIT_FILE_BUFFERS, *PTRANSMIT_FILE_BUFFERS, FAR *LPTRANSMIT_FILE_BUFFERS;
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#endif
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typedef BOOL (PASCAL FAR * LPFN_TRANSMITFILE)(
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IN SOCKET hSocket,
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IN HANDLE hFile,
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IN DWORD nNumberOfBytesToWrite,
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IN DWORD nNumberOfBytesPerSend,
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IN LPOVERLAPPED lpOverlapped,
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IN LPTRANSMIT_FILE_BUFFERS lpTransmitBuffers,
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IN DWORD dwReserved
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);
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#define WSAID_TRANSMITFILE \
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{0xb5367df0,0xcbac,0x11cf,{0x95,0xca,0x00,0x80,0x5f,0x48,0xa1,0x92}}
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#endif
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#ifndef WSAID_TRANSMITPACKETS
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/* OpenWatcom has a swapped TP_ELEMENT_FILE and TP_ELEMENT_MEMORY definition */
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#ifndef TP_ELEMENT_FILE
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#ifdef _MSC_VER
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#pragma warning(disable:4201) /* Nonstandard extension, nameless struct/union */
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#endif
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typedef struct _TRANSMIT_PACKETS_ELEMENT {
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ULONG dwElFlags;
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#define TP_ELEMENT_MEMORY 1
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#define TP_ELEMENT_FILE 2
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#define TP_ELEMENT_EOP 4
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ULONG cLength;
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union {
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struct {
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LARGE_INTEGER nFileOffset;
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HANDLE hFile;
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};
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PVOID pBuffer;
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};
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} TRANSMIT_PACKETS_ELEMENT, *PTRANSMIT_PACKETS_ELEMENT,
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FAR *LPTRANSMIT_PACKETS_ELEMENT;
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#ifdef _MSC_VER
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#pragma warning(default:4201)
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#endif
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#endif
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typedef BOOL (PASCAL FAR * LPFN_TRANSMITPACKETS) (
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SOCKET hSocket,
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TRANSMIT_PACKETS_ELEMENT *lpPacketArray,
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DWORD nElementCount,
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DWORD nSendSize,
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LPOVERLAPPED lpOverlapped,
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DWORD dwFlags
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);
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#define WSAID_TRANSMITPACKETS \
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{0xd9689da0,0x1f90,0x11d3,{0x99,0x71,0x00,0xc0,0x4f,0x68,0xc8,0x76}}
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#endif
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#ifndef WSAID_CONNECTEX
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typedef BOOL (PASCAL FAR * LPFN_CONNECTEX) (
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IN SOCKET s,
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IN const struct sockaddr FAR *name,
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IN int namelen,
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IN PVOID lpSendBuffer OPTIONAL,
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IN DWORD dwSendDataLength,
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OUT LPDWORD lpdwBytesSent,
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IN LPOVERLAPPED lpOverlapped
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);
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#define WSAID_CONNECTEX \
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{0x25a207b9,0xddf3,0x4660,{0x8e,0xe9,0x76,0xe5,0x8c,0x74,0x06,0x3e}}
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#endif
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#ifndef WSAID_DISCONNECTEX
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typedef BOOL (PASCAL FAR * LPFN_DISCONNECTEX) (
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IN SOCKET s,
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IN LPOVERLAPPED lpOverlapped,
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IN DWORD dwFlags,
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IN DWORD dwReserved
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);
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#define WSAID_DISCONNECTEX \
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{0x7fda2e11,0x8630,0x436f,{0xa0,0x31,0xf5,0x36,0xa6,0xee,0xc1,0x57}}
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#endif
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extern LPFN_ACCEPTEX ngx_acceptex;
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extern LPFN_GETACCEPTEXSOCKADDRS ngx_getacceptexsockaddrs;
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extern LPFN_TRANSMITFILE ngx_transmitfile;
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extern LPFN_TRANSMITPACKETS ngx_transmitpackets;
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extern LPFN_CONNECTEX ngx_connectex;
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extern LPFN_DISCONNECTEX ngx_disconnectex;
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#if (NGX_HAVE_POLL && !defined POLLIN)
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/*
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* WSAPoll() is only available if _WIN32_WINNT >= 0x0600.
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* If it is not available during compilation, we try to
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* load it dynamically at runtime.
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*/
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#define NGX_LOAD_WSAPOLL 1
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#define POLLRDNORM 0x0100
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#define POLLRDBAND 0x0200
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#define POLLIN (POLLRDNORM | POLLRDBAND)
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#define POLLPRI 0x0400
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#define POLLWRNORM 0x0010
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#define POLLOUT (POLLWRNORM)
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#define POLLWRBAND 0x0020
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#define POLLERR 0x0001
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#define POLLHUP 0x0002
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#define POLLNVAL 0x0004
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typedef struct pollfd {
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SOCKET fd;
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SHORT events;
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SHORT revents;
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} WSAPOLLFD, *PWSAPOLLFD, FAR *LPWSAPOLLFD;
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typedef int (WSAAPI *ngx_wsapoll_pt)(
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LPWSAPOLLFD fdArray,
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ULONG fds,
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INT timeout
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);
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extern ngx_wsapoll_pt WSAPoll;
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extern ngx_uint_t ngx_have_wsapoll;
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#endif
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int ngx_tcp_push(ngx_socket_t s);
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#define ngx_tcp_push_n "tcp_push()"
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#endif /* _NGX_SOCKET_H_INCLUDED_ */
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