winsock2.h

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#pragma once

#if !(defined _WINSOCK2API_ || defined _WINSOCKAPI_)
#define _WINSOCK2API_
#define _WINSOCKAPI_ /* to prevent later inclusion of winsock.h */

#define _GNU_H_WINDOWS32_SOCKETS

#if (!defined(_WIN64) && !defined(WIN32))
#include <pshpack4.h>
#define _NEED_POPPACK
#endif

#ifndef INCL_WINSOCK_API_PROTOTYPES
#define INCL_WINSOCK_API_PROTOTYPES 1
#endif

#ifndef INCL_WINSOCK_API_TYPEDEFS
#define INCL_WINSOCK_API_TYPEDEFS 0
#endif

#ifndef _INC_WINDOWS
#include <windows.h>
#endif

#if !defined(MAKEWORD)
#define MAKEWORD(low,high) ((WORD)(((BYTE)(low)) | ((WORD)((BYTE)(high))) << 8))
#endif

#ifndef WINSOCK_VERSION
#define WINSOCK_VERSION MAKEWORD(2,2)
#endif

#ifndef WINSOCK_API_LINKAGE
#ifdef DECLSPEC_IMPORT
#define WINSOCK_API_LINKAGE DECLSPEC_IMPORT
#else
#define WINSOCK_API_LINKAGE
#endif
#endif

#if defined(__LP64__) || (!defined(_M_AMD64) && defined(__WINESRC__))
#if !defined(__ROS_LONG64__)
#define __ROS_LONG64__
#endif
#endif

#ifdef __cplusplus
extern "C" {
#endif

/* Names common to Winsock1.1 and Winsock2 */
#if !defined ( _BSDTYPES_DEFINED )
/* also defined in gmon.h and in cygwin's sys/types */
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned int u_int;
#ifndef __ROS_LONG64__
typedef unsigned long u_long;
#else
typedef unsigned int u_long;
#endif
#define _BSDTYPES_DEFINED
#endif /* ! def _BSDTYPES_DEFINED  */

#if(_WIN32_WINNT >= 0x0501)
typedef unsigned __int64 u_int64;
#endif /* (_WIN32_WINNT >= 0x0501) */

#include <ws2def.h>

typedef UINT_PTR SOCKET;

#ifndef FD_SETSIZE
#define FD_SETSIZE 64
#endif

#ifndef _SYS_TYPES_FD_SET

/* fd_set may be defined by the newlib <sys/types.h>
 * if __USE_W32_SOCKETS not defined.
 */
#ifdef fd_set
#undef fd_set
#endif

typedef struct fd_set {
  u_int fd_count;
  SOCKET fd_array[FD_SETSIZE];
} fd_set;

extern int PASCAL FAR __WSAFDIsSet(SOCKET,fd_set FAR*);

#ifndef FD_CLR
#define FD_CLR(fd, set) do { \
  u_int __i; \
  for (__i = 0; __i < ((fd_set FAR*)(set))->fd_count ; __i++) { \
    if (((fd_set FAR*)(set))->fd_array[__i] == fd) { \
      while (__i < ((fd_set FAR*)(set))->fd_count-1) { \
        ((fd_set FAR*)(set))->fd_array[__i] = \
        ((fd_set FAR*)(set))->fd_array[__i+1]; \
        __i++; \
      } \
    ((fd_set FAR*)(set))->fd_count--; \
    break; \
    } \
  } \
} while(0)
#endif

#ifndef FD_SET
/* this differs from the define in winsock.h and in cygwin sys/types.h */
#define FD_SET(fd, set) do { \
  u_int __i; \
  for (__i = 0; __i < ((fd_set FAR *)(set))->fd_count; __i++) { \
    if (((fd_set FAR *)(set))->fd_array[__i] == (fd)) { \
      break; \
    } \
  } \
  if (__i == ((fd_set FAR *)(set))->fd_count) { \
    if (((fd_set FAR *)(set))->fd_count < FD_SETSIZE) { \
      ((fd_set FAR *)(set))->fd_array[__i] = (fd); \
      ((fd_set FAR *)(set))->fd_count++; \
    } \
  } \
} while(0)
#endif

#ifndef FD_ZERO
#define FD_ZERO(set) (((fd_set FAR*)(set))->fd_count=0)
#endif

#ifndef FD_ISSET
#define FD_ISSET(fd, set) __WSAFDIsSet((SOCKET)(fd), (fd_set FAR*)(set))
#endif

#elif !defined (USE_SYS_TYPES_FD_SET)
#warning "fd_set and associated macros have been defined in sys/types.  \
    This may cause runtime problems with W32 sockets"
#endif /* ndef _SYS_TYPES_FD_SET */

#if !(defined (__INSIDE_CYGWIN__) || defined (__INSIDE_MSYS__))

#ifndef _TIMEVAL_DEFINED

/* also in sys/time.h */
#define _TIMEVAL_DEFINED
#define _STRUCT_TIMEVAL
struct timeval {
  LONG tv_sec;
  LONG tv_usec;
};

#define timerisset(tvp) ((tvp)->tv_sec || (tvp)->tv_usec)

#define timercmp(tvp, uvp, cmp) \
  (((tvp)->tv_sec != (uvp)->tv_sec) ? \
  ((tvp)->tv_sec cmp (uvp)->tv_sec) : \
  ((tvp)->tv_usec cmp (uvp)->tv_usec))

#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0

#endif /* _TIMEVAL_DEFINED */

#define h_addr h_addr_list[0]

struct hostent {
  char *h_name;
  char **h_aliases;
  short h_addrtype;
  short h_length;
  char **h_addr_list;
};

struct linger {
  u_short l_onoff;
  u_short l_linger;
};

#define FIONBIO _IOW('f', 126, u_long)

struct netent {
  char * n_name;
  char **n_aliases;
  short n_addrtype;
  u_long n_net;
};

struct servent {
  char FAR *s_name;
  char FAR **s_aliases;
#ifdef _WIN64
  char FAR *s_proto;
  short s_port;
#else
  short s_port;
  char FAR *s_proto;
#endif
};

struct protoent {
  char *p_name;
  char **p_aliases;
  short p_proto;
};

#define SOMAXCONN 0x7fffffff

#define MSG_OOB 1
#define MSG_PEEK 2
#define MSG_DONTROUTE 4
#if(_WIN32_WINNT >= 0x0502)
#define MSG_WAITALL 8
#endif

#define h_errno WSAGetLastError()
#define HOST_NOT_FOUND WSAHOST_NOT_FOUND
#define TRY_AGAIN WSATRY_AGAIN
#define NO_RECOVERY WSANO_RECOVERY
#define NO_DATA WSANO_DATA
#define NO_ADDRESS WSANO_ADDRESS

#endif /* !(defined (__INSIDE_CYGWIN__) || defined (__INSIDE_MSYS__)) */

#define FIONREAD _IOR('f', 127, u_long)
#define FIOASYNC _IOW('f', 125, u_long)
#define SIOCSHIWAT _IOW('s',  0, u_long)
#define SIOCGHIWAT _IOR('s',  1, u_long)
#define SIOCSLOWAT _IOW('s',  2, u_long)
#define SIOCGLOWAT _IOR('s',  3, u_long)
#define SIOCATMARK _IOR('s',  7, u_long)

#define IMPLINK_IP 155
#define IMPLINK_LOWEXPER 156
#define IMPLINK_HIGHEXPER 158

#define ADDR_ANY INADDR_ANY

#define WSADESCRIPTION_LEN 256
#define WSASYS_STATUS_LEN 128

#define INVALID_SOCKET (SOCKET)(~0)

#define SOCKET_ERROR (-1)

#define FROM_PROTOCOL_INFO (-1)

#define SO_PROTOCOL_INFOA 0x2004
#define SO_PROTOCOL_INFOW 0x2005
#ifdef UNICODE
#define SO_PROTOCOL_INFO SO_PROTOCOL_INFOW
#else
#define SO_PROTOCOL_INFO SO_PROTOCOL_INFOA
#endif
#define PVD_CONFIG 0x3001

#define PF_UNSPEC AF_UNSPEC
#define PF_UNIX AF_UNIX
#define PF_INET AF_INET
#define PF_IMPLINK AF_IMPLINK
#define PF_PUP AF_PUP
#define PF_CHAOS AF_CHAOS
#define PF_NS AF_NS
#define PF_IPX AF_IPX
#define PF_ISO AF_ISO
#define PF_OSI AF_OSI
#define PF_ECMA AF_ECMA
#define PF_DATAKIT AF_DATAKIT
#define PF_CCITT AF_CCITT
#define PF_SNA AF_SNA
#define PF_DECnet AF_DECnet
#define PF_DLI AF_DLI
#define PF_LAT AF_LAT
#define PF_HYLINK AF_HYLINK
#define PF_APPLETALK AF_APPLETALK
#define PF_VOICEVIEW AF_VOICEVIEW
#define PF_FIREFOX AF_FIREFOX
#define PF_UNKNOWN1 AF_UNKNOWN1
#define PF_BAN AF_BAN
#define PF_ATM AF_ATM
#define PF_INET6 AF_INET6
#if(_WIN32_WINNT >= 0x0600)
#define PF_BTH AF_BTH
#endif
#define PF_MAX AF_MAX

#define MSG_PARTIAL 0x8000
#define MSG_INTERRUPT 0x10
#define MSG_MAXIOVLEN 16

#define MAXGETHOSTSTRUCT 1024

#define FD_READ_BIT 0
#define FD_READ (1 << FD_READ_BIT)
#define FD_WRITE_BIT 1
#define FD_WRITE (1 << FD_WRITE_BIT)
#define FD_OOB_BIT 2
#define FD_OOB (1 << FD_OOB_BIT)
#define FD_ACCEPT_BIT 3
#define FD_ACCEPT (1 << FD_ACCEPT_BIT)
#define FD_CONNECT_BIT 4
#define FD_CONNECT (1 << FD_CONNECT_BIT)
#define FD_CLOSE_BIT 5
#define FD_CLOSE (1 << FD_CLOSE_BIT)
#define FD_QOS_BIT 6
#define FD_QOS (1 << FD_QOS_BIT)
#define FD_GROUP_QOS_BIT 7
#define FD_GROUP_QOS (1 << FD_GROUP_QOS_BIT)
#define FD_ROUTING_INTERFACE_CHANGE_BIT 8
#define FD_ROUTING_INTERFACE_CHANGE (1 << FD_ROUTING_INTERFACE_CHANGE_BIT)
#define FD_ADDRESS_LIST_CHANGE_BIT 9
#define FD_ADDRESS_LIST_CHANGE (1 << FD_ADDRESS_LIST_CHANGE_BIT)
#define FD_MAX_EVENTS 10
#define FD_ALL_EVENTS ((1 << FD_MAX_EVENTS) - 1)

#ifndef WSABASEERR

#define WSABASEERR 10000
#define WSAEINTR (WSABASEERR+4)
#define WSAEBADF (WSABASEERR+9)
#define WSAEACCES (WSABASEERR+13)
#define WSAEFAULT (WSABASEERR+14)
#define WSAEINVAL (WSABASEERR+22)
#define WSAEMFILE (WSABASEERR+24)
#define WSAEWOULDBLOCK (WSABASEERR+35)
#define WSAEINPROGRESS (WSABASEERR+36)
#define WSAEALREADY (WSABASEERR+37)
#define WSAENOTSOCK (WSABASEERR+38)
#define WSAEDESTADDRREQ (WSABASEERR+39)
#define WSAEMSGSIZE (WSABASEERR+40)
#define WSAEPROTOTYPE (WSABASEERR+41)
#define WSAENOPROTOOPT (WSABASEERR+42)
#define WSAEPROTONOSUPPORT (WSABASEERR+43)
#define WSAESOCKTNOSUPPORT (WSABASEERR+44)
#define WSAEOPNOTSUPP (WSABASEERR+45)
#define WSAEPFNOSUPPORT (WSABASEERR+46)
#define WSAEAFNOSUPPORT (WSABASEERR+47)
#define WSAEADDRINUSE (WSABASEERR+48)
#define WSAEADDRNOTAVAIL (WSABASEERR+49)
#define WSAENETDOWN (WSABASEERR+50)
#define WSAENETUNREACH (WSABASEERR+51)
#define WSAENETRESET (WSABASEERR+52)
#define WSAECONNABORTED (WSABASEERR+53)
#define WSAECONNRESET (WSABASEERR+54)
#define WSAENOBUFS (WSABASEERR+55)
#define WSAEISCONN (WSABASEERR+56)
#define WSAENOTCONN (WSABASEERR+57)
#define WSAESHUTDOWN (WSABASEERR+58)
#define WSAETOOMANYREFS (WSABASEERR+59)
#define WSAETIMEDOUT (WSABASEERR+60)
#define WSAECONNREFUSED (WSABASEERR+61)
#define WSAELOOP (WSABASEERR+62)
#define WSAENAMETOOLONG (WSABASEERR+63)
#define WSAEHOSTDOWN (WSABASEERR+64)
#define WSAEHOSTUNREACH (WSABASEERR+65)
#define WSAENOTEMPTY (WSABASEERR+66)
#define WSAEPROCLIM (WSABASEERR+67)
#define WSAEUSERS (WSABASEERR+68)
#define WSAEDQUOT (WSABASEERR+69)
#define WSAESTALE (WSABASEERR+70)
#define WSAEREMOTE (WSABASEERR+71)
#define WSASYSNOTREADY (WSABASEERR+91)
#define WSAVERNOTSUPPORTED (WSABASEERR+92)
#define WSANOTINITIALISED (WSABASEERR+93)
#define WSAEDISCON (WSABASEERR+101)
#define WSAENOMORE (WSABASEERR+102)
#define WSAECANCELLED (WSABASEERR+103)
#define WSAEINVALIDPROCTABLE (WSABASEERR+104)
#define WSAEINVALIDPROVIDER (WSABASEERR+105)
#define WSAEPROVIDERFAILEDINIT (WSABASEERR+106)
#define WSASYSCALLFAILURE (WSABASEERR+107)
#define WSASERVICE_NOT_FOUND (WSABASEERR+108)
#define WSATYPE_NOT_FOUND (WSABASEERR+109)
#define WSA_E_NO_MORE (WSABASEERR+110)
#define WSA_E_CANCELLED (WSABASEERR+111)
#define WSAEREFUSED (WSABASEERR+112)
#define WSAHOST_NOT_FOUND (WSABASEERR+1001)
#define WSATRY_AGAIN (WSABASEERR+1002)
#define WSANO_RECOVERY (WSABASEERR+1003)
#define WSANO_DATA (WSABASEERR+1004)
#define WSA_QOS_RECEIVERS (WSABASEERR + 1005)
#define WSA_QOS_SENDERS (WSABASEERR + 1006)
#define WSA_QOS_NO_SENDERS (WSABASEERR + 1007)
#define WSA_QOS_NO_RECEIVERS (WSABASEERR + 1008)
#define WSA_QOS_REQUEST_CONFIRMED (WSABASEERR + 1009)
#define WSA_QOS_ADMISSION_FAILURE (WSABASEERR + 1010)
#define WSA_QOS_POLICY_FAILURE (WSABASEERR + 1011)
#define WSA_QOS_BAD_STYLE (WSABASEERR + 1012)
#define WSA_QOS_BAD_OBJECT (WSABASEERR + 1013)
#define WSA_QOS_TRAFFIC_CTRL_ERROR (WSABASEERR + 1014)
#define WSA_QOS_GENERIC_ERROR (WSABASEERR + 1015)
#define WSA_QOS_ESERVICETYPE (WSABASEERR + 1016)
#define WSA_QOS_EFLOWSPEC (WSABASEERR + 1017)
#define WSA_QOS_EPROVSPECBUF (WSABASEERR + 1018)
#define WSA_QOS_EFILTERSTYLE (WSABASEERR + 1019)
#define WSA_QOS_EFILTERTYPE (WSABASEERR + 1020)
#define WSA_QOS_EFILTERCOUNT (WSABASEERR + 1021)
#define WSA_QOS_EOBJLENGTH (WSABASEERR + 1022)
#define WSA_QOS_EFLOWCOUNT (WSABASEERR + 1023)
#define WSA_QOS_EUNKOWNPSOBJ (WSABASEERR + 1024)
#define WSA_QOS_EPOLICYOBJ (WSABASEERR + 1025)
#define WSA_QOS_EFLOWDESC (WSABASEERR + 1026)
#define WSA_QOS_EPSFLOWSPEC (WSABASEERR + 1027)
#define WSA_QOS_EPSFILTERSPEC (WSABASEERR + 1028)
#define WSA_QOS_ESDMODEOBJ (WSABASEERR + 1029)
#define WSA_QOS_ESHAPERATEOBJ (WSABASEERR + 1030)
#define WSA_QOS_RESERVED_PETYPE (WSABASEERR + 1031)

#endif /* !WSABASEERR */

#define WSANO_ADDRESS WSANO_DATA

#define CF_ACCEPT 0x0000
#define CF_REJECT 0x0001
#define CF_DEFER 0x0002
#define SD_RECEIVE 0x00
#define SD_SEND 0x01
#define SD_BOTH 0x02

#define SG_UNCONSTRAINED_GROUP 0x01
#define SG_CONSTRAINED_GROUP 0x02

#define MAX_PROTOCOL_CHAIN 7

#define BASE_PROTOCOL      1
#define LAYERED_PROTOCOL   0

#define WSAPROTOCOL_LEN 255

#define PFL_MULTIPLE_PROTO_ENTRIES          0x00000001
#define PFL_RECOMMENDED_PROTO_ENTRY         0x00000002
#define PFL_HIDDEN                          0x00000004
#define PFL_MATCHES_PROTOCOL_ZERO           0x00000008
#define PFL_NETWORKDIRECT_PROVIDER          0x00000010

#define XP1_CONNECTIONLESS                  0x00000001
#define XP1_GUARANTEED_DELIVERY             0x00000002
#define XP1_GUARANTEED_ORDER                0x00000004
#define XP1_MESSAGE_ORIENTED                0x00000008
#define XP1_PSEUDO_STREAM                   0x00000010
#define XP1_GRACEFUL_CLOSE                  0x00000020
#define XP1_EXPEDITED_DATA                  0x00000040
#define XP1_CONNECT_DATA                    0x00000080
#define XP1_DISCONNECT_DATA                 0x00000100
#define XP1_SUPPORT_BROADCAST               0x00000200
#define XP1_SUPPORT_MULTIPOINT              0x00000400
#define XP1_MULTIPOINT_CONTROL_PLANE        0x00000800
#define XP1_MULTIPOINT_DATA_PLANE           0x00001000
#define XP1_QOS_SUPPORTED                   0x00002000
#define XP1_INTERRUPT                       0x00004000
#define XP1_UNI_SEND                        0x00008000
#define XP1_UNI_RECV                        0x00010000
#define XP1_IFS_HANDLES                     0x00020000
#define XP1_PARTIAL_MESSAGE                 0x00040000
#define XP1_SAN_SUPPORT_SDP                 0x00080000

#define BIGENDIAN                           0x0000
#define LITTLEENDIAN                        0x0001

#define SECURITY_PROTOCOL_NONE              0x0000

#define JL_SENDER_ONLY                      0x01
#define JL_RECEIVER_ONLY                    0x02
#define JL_BOTH                             0x04

#define WSA_FLAG_OVERLAPPED                 0x01
#define WSA_FLAG_MULTIPOINT_C_ROOT          0x02
#define WSA_FLAG_MULTIPOINT_C_LEAF          0x04
#define WSA_FLAG_MULTIPOINT_D_ROOT          0x08
#define WSA_FLAG_MULTIPOINT_D_LEAF          0x10
#define WSA_FLAG_ACCESS_SYSTEM_SECURITY     0x40

#define TH_NETDEV                           0x00000001
#define TH_TAPI                             0x00000002

#define SERVICE_MULTIPLE                    0x00000001

#define RES_UNUSED_1    0x00000001
#define RES_FLUSH_CACHE 0x00000002
#ifndef RES_SERVICE
#define RES_SERVICE     0x00000004
#endif

#define SERVICE_TYPE_VALUE_IPXPORTA      "IpxSocket"
#define SERVICE_TYPE_VALUE_IPXPORTW     L"IpxSocket"
#define SERVICE_TYPE_VALUE_SAPIDA        "SapId"
#define SERVICE_TYPE_VALUE_SAPIDW       L"SapId"

#define SERVICE_TYPE_VALUE_TCPPORTA      "TcpPort"
#define SERVICE_TYPE_VALUE_TCPPORTW     L"TcpPort"

#define SERVICE_TYPE_VALUE_UDPPORTA      "UdpPort"
#define SERVICE_TYPE_VALUE_UDPPORTW     L"UdpPort"

#define SERVICE_TYPE_VALUE_OBJECTIDA     "ObjectId"
#define SERVICE_TYPE_VALUE_OBJECTIDW    L"ObjectId"

#ifdef UNICODE
#define SERVICE_TYPE_VALUE_SAPID        SERVICE_TYPE_VALUE_SAPIDW
#define SERVICE_TYPE_VALUE_TCPPORT      SERVICE_TYPE_VALUE_TCPPORTW
#define SERVICE_TYPE_VALUE_UDPPORT      SERVICE_TYPE_VALUE_UDPPORTW
#define SERVICE_TYPE_VALUE_OBJECTID     SERVICE_TYPE_VALUE_OBJECTIDW
#else
#define SERVICE_TYPE_VALUE_SAPID        SERVICE_TYPE_VALUE_SAPIDA
#define SERVICE_TYPE_VALUE_TCPPORT      SERVICE_TYPE_VALUE_TCPPORTA
#define SERVICE_TYPE_VALUE_UDPPORT      SERVICE_TYPE_VALUE_UDPPORTA
#define SERVICE_TYPE_VALUE_OBJECTID     SERVICE_TYPE_VALUE_OBJECTIDA
#endif

#define LUP_DEEP                0x0001
#define LUP_CONTAINERS          0x0002
#define LUP_NOCONTAINERS        0x0004
#define LUP_NEAREST             0x0008
#define LUP_RETURN_NAME         0x0010
#define LUP_RETURN_TYPE         0x0020
#define LUP_RETURN_VERSION      0x0040
#define LUP_RETURN_COMMENT      0x0080
#define LUP_RETURN_ADDR         0x0100
#define LUP_RETURN_BLOB         0x0200
#define LUP_RETURN_ALIASES      0x0400
#define LUP_RETURN_QUERY_STRING 0x0800
#define LUP_RETURN_ALL          0x0FF0
#define LUP_RES_SERVICE         0x8000
#define LUP_FLUSHCACHE          0x1000
#define LUP_FLUSHPREVIOUS       0x2000
#define LUP_NON_AUTHORITATIVE   0x4000
#define LUP_SECURE              0x8000
#define LUP_RETURN_PREFERRED_NAMES 0x10000
#define LUP_ADDRCONFIG          0x00100000
#define LUP_DUAL_ADDR           0x00200000
#define LUP_FILESERVER          0x00400000

#define RESULT_IS_ALIAS      0x0001
#if(_WIN32_WINNT >= 0x0501)
#define RESULT_IS_ADDED      0x0010
#define RESULT_IS_CHANGED    0x0020
#define RESULT_IS_DELETED    0x0040
#endif

#ifndef s_addr

#define s_addr S_un.S_addr
#define s_host S_un.S_un_b.s_b2
#define s_net S_un.S_un_b.s_b1
#define s_imp S_un.S_un_w.s_w2
#define s_impno S_un.S_un_b.s_b4
#define s_lh S_un.S_un_b.s_b3

typedef struct in_addr {
  union {
    struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
    struct { u_short s_w1,s_w2; } S_un_w;
    u_long S_addr;
  } S_un;
} IN_ADDR, *PIN_ADDR;

#endif /* s_addr */

typedef struct WSAData {
  WORD wVersion;
  WORD wHighVersion;
#ifdef _WIN64
  unsigned short iMaxSockets;
  unsigned short iMaxUdpDg;
  char FAR *lpVendorInfo;
  char szDescription[WSADESCRIPTION_LEN+1];
  char szSystemStatus[WSASYS_STATUS_LEN+1];
#else
  char szDescription[WSADESCRIPTION_LEN+1];
  char szSystemStatus[WSASYS_STATUS_LEN+1];
  unsigned short iMaxSockets;
  unsigned short iMaxUdpDg;
  char FAR *lpVendorInfo;
#endif
} WSADATA, FAR *LPWSADATA;

struct sockproto {
  u_short sp_family;
  u_short sp_protocol;
};

#ifdef WIN32

#define WSAAPI FAR PASCAL
#define WSAEVENT HANDLE
#define LPWSAEVENT LPHANDLE
#define WSAOVERLAPPED OVERLAPPED
typedef struct _OVERLAPPED *LPWSAOVERLAPPED;
#define WSA_IO_PENDING (ERROR_IO_PENDING)
#define WSA_IO_INCOMPLETE (ERROR_IO_INCOMPLETE)
#define WSA_INVALID_HANDLE (ERROR_INVALID_HANDLE)
#define WSA_INVALID_PARAMETER (ERROR_INVALID_PARAMETER)
#define WSA_NOT_ENOUGH_MEMORY (ERROR_NOT_ENOUGH_MEMORY)
#define WSA_OPERATION_ABORTED (ERROR_OPERATION_ABORTED)
#define WSA_INVALID_EVENT ((WSAEVENT)NULL)
#define WSA_MAXIMUM_WAIT_EVENTS (MAXIMUM_WAIT_OBJECTS)
#define WSA_WAIT_FAILED ((DWORD)-1L)
#define WSA_WAIT_EVENT_0 (WAIT_OBJECT_0)
#define WSA_WAIT_IO_COMPLETION (WAIT_IO_COMPLETION)
#define WSA_WAIT_TIMEOUT (WAIT_TIMEOUT)
#define WSA_INFINITE (INFINITE)

#else /* WIN16 */

#define WSAAPI FAR PASCAL
typedef DWORD WSAEVENT, FAR * LPWSAEVENT;

typedef struct _WSAOVERLAPPED {
  DWORD Internal;
  DWORD InternalHigh;
  DWORD Offset;
  DWORD OffsetHigh;
  WSAEVENT hEvent;
} WSAOVERLAPPED, FAR * LPWSAOVERLAPPED;

#define WSA_IO_PENDING (WSAEWOULDBLOCK)
#define WSA_IO_INCOMPLETE (WSAEWOULDBLOCK)
#define WSA_INVALID_HANDLE (WSAENOTSOCK)
#define WSA_INVALID_PARAMETER (WSAEINVAL)
#define WSA_NOT_ENOUGH_MEMORY (WSAENOBUFS)
#define WSA_OPERATION_ABORTED (WSAEINTR)

#define WSA_INVALID_EVENT ((WSAEVENT)NULL)
#define WSA_MAXIMUM_WAIT_EVENTS (MAXIMUM_WAIT_OBJECTS)
#define WSA_WAIT_FAILED ((DWORD)-1L)
#define WSA_WAIT_EVENT_0 ((DWORD)0)
#define WSA_WAIT_TIMEOUT ((DWORD)0x102L)
#define WSA_INFINITE ((DWORD)-1L)

#endif /* WIN32 */

#include <qos.h>

typedef struct _QualityOfService {
  FLOWSPEC SendingFlowspec;
  FLOWSPEC ReceivingFlowspec;
  WSABUF ProviderSpecific;
} QOS, *LPQOS;

typedef unsigned int GROUP;

typedef struct _WSANETWORKEVENTS {
  LONG lNetworkEvents;
  int iErrorCode[FD_MAX_EVENTS];
} WSANETWORKEVENTS, *LPWSANETWORKEVENTS;

#ifndef GUID_DEFINED
#include <guiddef.h>
#endif

typedef struct _WSAPROTOCOLCHAIN {
  int ChainLen;
  DWORD ChainEntries[MAX_PROTOCOL_CHAIN];
} WSAPROTOCOLCHAIN, *LPWSAPROTOCOLCHAIN;

typedef struct _WSAPROTOCOL_INFOA {
  DWORD dwServiceFlags1;
  DWORD dwServiceFlags2;
  DWORD dwServiceFlags3;
  DWORD dwServiceFlags4;
  DWORD dwProviderFlags;
  GUID ProviderId;
  DWORD dwCatalogEntryId;
  WSAPROTOCOLCHAIN ProtocolChain;
  int iVersion;
  int iAddressFamily;
  int iMaxSockAddr;
  int iMinSockAddr;
  int iSocketType;
  int iProtocol;
  int iProtocolMaxOffset;
  int iNetworkByteOrder;
  int iSecurityScheme;
  DWORD dwMessageSize;
  DWORD dwProviderReserved;
  CHAR szProtocol[WSAPROTOCOL_LEN+1];
} WSAPROTOCOL_INFOA, *LPWSAPROTOCOL_INFOA;

typedef struct _WSAPROTOCOL_INFOW {
  DWORD dwServiceFlags1;
  DWORD dwServiceFlags2;
  DWORD dwServiceFlags3;
  DWORD dwServiceFlags4;
  DWORD dwProviderFlags;
  GUID ProviderId;
  DWORD dwCatalogEntryId;
  WSAPROTOCOLCHAIN ProtocolChain;
  int iVersion;
  int iAddressFamily;
  int iMaxSockAddr;
  int iMinSockAddr;
  int iSocketType;
  int iProtocol;
  int iProtocolMaxOffset;
  int iNetworkByteOrder;
  int iSecurityScheme;
  DWORD dwMessageSize;
  DWORD dwProviderReserved;
  WCHAR szProtocol[WSAPROTOCOL_LEN+1];
} WSAPROTOCOL_INFOW, * LPWSAPROTOCOL_INFOW;

#ifdef UNICODE
typedef WSAPROTOCOL_INFOW WSAPROTOCOL_INFO;
typedef LPWSAPROTOCOL_INFOW LPWSAPROTOCOL_INFO;
#else
typedef WSAPROTOCOL_INFOA WSAPROTOCOL_INFO;
typedef LPWSAPROTOCOL_INFOA LPWSAPROTOCOL_INFO;
#endif

typedef int
(CALLBACK *LPCONDITIONPROC)(
  IN LPWSABUF lpCallerId,
  IN LPWSABUF lpCallerData,
  IN OUT LPQOS lpSQOS,
  IN OUT LPQOS lpGQOS,
  IN LPWSABUF lpCalleeId,
  IN LPWSABUF lpCalleeData,
  OUT GROUP FAR *g,
  IN DWORD_PTR dwCallbackData);

typedef void
(CALLBACK *LPWSAOVERLAPPED_COMPLETION_ROUTINE)(
  IN DWORD dwError,
  IN DWORD cbTransferred,
  IN LPWSAOVERLAPPED lpOverlapped,
  IN DWORD dwFlags);

#if(_WIN32_WINNT >= 0x0501)

#define SIO_NSP_NOTIFY_CHANGE _WSAIOW(IOC_WS2,25)

typedef enum _WSACOMPLETIONTYPE {
  NSP_NOTIFY_IMMEDIATELY = 0,
  NSP_NOTIFY_HWND,
  NSP_NOTIFY_EVENT,
  NSP_NOTIFY_PORT,
  NSP_NOTIFY_APC
} WSACOMPLETIONTYPE, * PWSACOMPLETIONTYPE, *LPWSACOMPLETIONTYPE;

typedef struct _WSACOMPLETION {
  WSACOMPLETIONTYPE Type;
  union {
    struct {
      HWND hWnd;
      UINT uMsg;
      WPARAM context;
    } WindowMessage;
    struct {
      LPWSAOVERLAPPED lpOverlapped;
    } Event;
    struct {
      LPWSAOVERLAPPED lpOverlapped;
      LPWSAOVERLAPPED_COMPLETION_ROUTINE lpfnCompletionProc;
    } Apc;
    struct {
      LPWSAOVERLAPPED lpOverlapped;
      HANDLE hPort;
      ULONG_PTR Key;
    } Port;
  } Parameters;
} WSACOMPLETION, *PWSACOMPLETION, *LPWSACOMPLETION;

#endif /* (_WIN32_WINNT >= 0x0501) */

#ifndef __BLOB_T_DEFINED /* also in wtypes.h and nspapi.h */
#define __BLOB_T_DEFINED
/* wine is using a diff define */
#ifndef _tagBLOB_DEFINED
#define _tagBLOB_DEFINED
#define _BLOB_DEFINED
#define _LPBLOB_DEFINED

typedef struct _BLOB {
  ULONG cbSize;
#ifdef MIDL_PASS
  [size_is(cbSize)] BYTE *pBlobData;
#else
  _Field_size_bytes_(cbSize) BYTE *pBlobData ;
#endif
} BLOB,*PBLOB,*LPBLOB;

#endif /* _tagBLOB_DEFINED */

#endif /* __BLOB_T_DEFINED */

typedef struct _AFPROTOCOLS {
  INT iAddressFamily;
  INT iProtocol;
} AFPROTOCOLS, *PAFPROTOCOLS, *LPAFPROTOCOLS;

typedef enum _WSAEcomparator {
  COMP_EQUAL = 0,
  COMP_NOTLESS
} WSAECOMPARATOR, *PWSAECOMPARATOR, *LPWSAECOMPARATOR;

typedef struct _WSAVersion {
  DWORD dwVersion;
  WSAECOMPARATOR ecHow;
} WSAVERSION, *PWSAVERSION, *LPWSAVERSION;

typedef struct _WSAQuerySetA {
  DWORD dwSize;
  LPSTR lpszServiceInstanceName;
  LPGUID lpServiceClassId;
  LPWSAVERSION lpVersion;
  LPSTR lpszComment;
  DWORD dwNameSpace;
  LPGUID lpNSProviderId;
  LPSTR lpszContext;
  DWORD dwNumberOfProtocols;
  _Field_size_(dwNumberOfProtocols) LPAFPROTOCOLS lpafpProtocols;
  LPSTR lpszQueryString;
  DWORD dwNumberOfCsAddrs;
  _Field_size_(dwNumberOfCsAddrs) LPCSADDR_INFO lpcsaBuffer;
  DWORD dwOutputFlags;
  LPBLOB lpBlob;
} WSAQUERYSETA, *PWSAQUERYSETA, *LPWSAQUERYSETA;

_Struct_size_bytes_(dwSize)
typedef struct _WSAQuerySetW {
  _Field_range_(>=,sizeof(struct _WSAQuerySetW)) DWORD dwSize;
  LPWSTR lpszServiceInstanceName;
  LPGUID lpServiceClassId;
  LPWSAVERSION lpVersion;
  LPWSTR lpszComment;
  DWORD dwNameSpace;
  LPGUID lpNSProviderId;
  LPWSTR lpszContext;
  DWORD dwNumberOfProtocols;
  _Field_size_(dwNumberOfProtocols) LPAFPROTOCOLS lpafpProtocols;
  LPWSTR lpszQueryString;
  DWORD dwNumberOfCsAddrs;
  _Field_size_(dwNumberOfCsAddrs) LPCSADDR_INFO lpcsaBuffer;
  DWORD dwOutputFlags;
  LPBLOB lpBlob;
} WSAQUERYSETW, *PWSAQUERYSETW, *LPWSAQUERYSETW;

typedef struct _WSAQuerySet2A {
  DWORD dwSize;
  LPSTR lpszServiceInstanceName;
  LPWSAVERSION lpVersion;
  LPSTR lpszComment;
  DWORD dwNameSpace;
  LPGUID lpNSProviderId;
  LPSTR lpszContext;
  DWORD dwNumberOfProtocols;
  LPAFPROTOCOLS lpafpProtocols;
  LPSTR lpszQueryString;
  DWORD dwNumberOfCsAddrs;
  LPCSADDR_INFO lpcsaBuffer;
  DWORD dwOutputFlags;
  LPBLOB lpBlob;
} WSAQUERYSET2A, *PWSAQUERYSET2A, *LPWSAQUERYSET2A;

typedef struct _WSAQuerySet2W {
  DWORD dwSize;
  LPWSTR lpszServiceInstanceName;
  LPWSAVERSION lpVersion;
  LPWSTR lpszComment;
  DWORD dwNameSpace;
  LPGUID lpNSProviderId;
  LPWSTR lpszContext;
  DWORD dwNumberOfProtocols;
  _Field_size_(dwNumberOfProtocols) LPAFPROTOCOLS lpafpProtocols;
  LPWSTR lpszQueryString;
  DWORD dwNumberOfCsAddrs;
  _Field_size_(dwNumberOfCsAddrs) LPCSADDR_INFO lpcsaBuffer;
  DWORD dwOutputFlags;
  LPBLOB lpBlob;
} WSAQUERYSET2W, *PWSAQUERYSET2W, *LPWSAQUERYSET2W;

#ifdef UNICODE
typedef WSAQUERYSETW WSAQUERYSET;
typedef PWSAQUERYSETW PWSAQUERYSET;
typedef LPWSAQUERYSETW LPWSAQUERYSET;
typedef WSAQUERYSET2W WSAQUERYSET2;
typedef PWSAQUERYSET2W PWSAQUERYSET2;
typedef LPWSAQUERYSET2W LPWSAQUERYSET2;
#else
typedef WSAQUERYSETA WSAQUERYSET;
typedef PWSAQUERYSETA PWSAQUERYSET;
typedef LPWSAQUERYSETA LPWSAQUERYSET;
typedef WSAQUERYSET2A WSAQUERYSET2;
typedef PWSAQUERYSET2A PWSAQUERYSET2;
typedef LPWSAQUERYSET2A LPWSAQUERYSET2;
#endif /* UNICODE */

typedef enum _WSAESETSERVICEOP {
  RNRSERVICE_REGISTER=0,
  RNRSERVICE_DEREGISTER,
  RNRSERVICE_DELETE
} WSAESETSERVICEOP, *PWSAESETSERVICEOP, *LPWSAESETSERVICEOP;

typedef struct _WSANSClassInfoA {
  LPSTR lpszName;
  DWORD dwNameSpace;
  DWORD dwValueType;
  DWORD dwValueSize;
  LPVOID lpValue;
} WSANSCLASSINFOA, *PWSANSCLASSINFOA, *LPWSANSCLASSINFOA;

typedef struct _WSANSClassInfoW {
  LPWSTR lpszName;
  DWORD dwNameSpace;
  DWORD dwValueType;
  DWORD dwValueSize;
  LPVOID lpValue;
} WSANSCLASSINFOW, *PWSANSCLASSINFOW, *LPWSANSCLASSINFOW;

#ifdef UNICODE
typedef WSANSCLASSINFOW WSANSCLASSINFO;
typedef PWSANSCLASSINFOW PWSANSCLASSINFO;
typedef LPWSANSCLASSINFOW LPWSANSCLASSINFO;
#else
typedef WSANSCLASSINFOA WSANSCLASSINFO;
typedef PWSANSCLASSINFOA PWSANSCLASSINFO;
typedef LPWSANSCLASSINFOA LPWSANSCLASSINFO;
#endif

typedef struct _WSAServiceClassInfoA {
  LPGUID lpServiceClassId;
  LPSTR lpszServiceClassName;
  DWORD dwCount;
  LPWSANSCLASSINFOA lpClassInfos;
} WSASERVICECLASSINFOA, *PWSASERVICECLASSINFOA, *LPWSASERVICECLASSINFOA;

typedef struct _WSAServiceClassInfoW {
  LPGUID lpServiceClassId;
  LPWSTR lpszServiceClassName;
  DWORD dwCount;
  LPWSANSCLASSINFOW lpClassInfos;
} WSASERVICECLASSINFOW, *PWSASERVICECLASSINFOW, *LPWSASERVICECLASSINFOW;

#ifdef UNICODE
typedef WSASERVICECLASSINFOW WSASERVICECLASSINFO;
typedef PWSASERVICECLASSINFOW PWSASERVICECLASSINFO;
typedef LPWSASERVICECLASSINFOW LPWSASERVICECLASSINFO;
#else
typedef WSASERVICECLASSINFOA WSASERVICECLASSINFO;
typedef PWSASERVICECLASSINFOA PWSASERVICECLASSINFO;
typedef LPWSASERVICECLASSINFOA LPWSASERVICECLASSINFO;
#endif

typedef struct _WSANAMESPACE_INFOA {
  GUID NSProviderId;
  DWORD dwNameSpace;
  BOOL fActive;
  DWORD dwVersion;
  LPSTR lpszIdentifier;
} WSANAMESPACE_INFOA, *PWSANAMESPACE_INFOA, *LPWSANAMESPACE_INFOA;

typedef struct _WSANAMESPACE_INFOW {
  GUID NSProviderId;
  DWORD dwNameSpace;
  BOOL fActive;
  DWORD dwVersion;
  LPWSTR lpszIdentifier;
} WSANAMESPACE_INFOW, *PWSANAMESPACE_INFOW, *LPWSANAMESPACE_INFOW;

typedef struct _WSANAMESPACE_INFOEXA {
  GUID NSProviderId;
  DWORD dwNameSpace;
  BOOL fActive;
  DWORD dwVersion;
  LPSTR lpszIdentifier;
  BLOB ProviderSpecific;
} WSANAMESPACE_INFOEXA, *PWSANAMESPACE_INFOEXA, *LPWSANAMESPACE_INFOEXA;

typedef struct _WSANAMESPACE_INFOEXW {
  GUID NSProviderId;
  DWORD dwNameSpace;
  BOOL fActive;
  DWORD dwVersion;
  LPWSTR lpszIdentifier;
  BLOB ProviderSpecific;
} WSANAMESPACE_INFOEXW, *PWSANAMESPACE_INFOEXW, *LPWSANAMESPACE_INFOEXW;

#ifdef UNICODE
typedef WSANAMESPACE_INFOW WSANAMESPACE_INFO;
typedef PWSANAMESPACE_INFOW PWSANAMESPACE_INFO;
typedef LPWSANAMESPACE_INFOW LPWSANAMESPACE_INFO;
typedef WSANAMESPACE_INFOEXW WSANAMESPACE_INFOEX;
typedef PWSANAMESPACE_INFOEXW PWSANAMESPACE_INFOEX;
typedef LPWSANAMESPACE_INFOEXW LPWSANAMESPACE_INFOEX;
#else
typedef WSANAMESPACE_INFOA WSANAMESPACE_INFO;
typedef PWSANAMESPACE_INFOA PWSANAMESPACE_INFO;
typedef LPWSANAMESPACE_INFOA LPWSANAMESPACE_INFO;
typedef WSANAMESPACE_INFOEXA WSANAMESPACE_INFOEX;
typedef PWSANAMESPACE_INFOEXA PWSANAMESPACE_INFOEX;
typedef LPWSANAMESPACE_INFOEXA LPWSANAMESPACE_INFOEX;
#endif /* UNICODE */

#if(_WIN32_WINNT >= 0x0600)

#define POLLRDNORM  0x0100
#define POLLRDBAND  0x0200
#define POLLIN      (POLLRDNORM | POLLRDBAND)
#define POLLPRI     0x0400

#define POLLWRNORM  0x0010
#define POLLOUT     (POLLWRNORM)
#define POLLWRBAND  0x0020

#define POLLERR     0x0001
#define POLLHUP     0x0002
#define POLLNVAL    0x0004

typedef struct pollfd {
  SOCKET fd;
  SHORT events;
  SHORT revents;
} WSAPOLLFD, *PWSAPOLLFD, FAR *LPWSAPOLLFD;

#endif /* (_WIN32_WINNT >= 0x0600) */

#if INCL_WINSOCK_API_TYPEDEFS

_Must_inspect_result_
typedef SOCKET
(WSAAPI *LPFN_ACCEPT)(
  _In_ SOCKET s,
  _Out_writes_bytes_opt_(*addrlen) struct sockaddr FAR *addr,
  _Inout_opt_ int FAR *addrlen);

typedef int
(WSAAPI *LPFN_BIND)(
  _In_ SOCKET s,
  _In_reads_bytes_(namelen) const struct sockaddr FAR *name,
  _In_ int namelen);

typedef int
(WSAAPI *LPFN_CLOSESOCKET)(
  _In_ SOCKET s);

typedef int
(WSAAPI *LPFN_CONNECT)(
  _In_ SOCKET s,
  _In_reads_bytes_(namelen) const struct sockaddr FAR *name,
  _In_ int namelen);

typedef int
(WSAAPI *LPFN_IOCTLSOCKET)(
  _In_ SOCKET s,
  _In_ long cmd,
  _Inout_ u_long FAR *argp);

typedef int
(WSAAPI *LPFN_GETPEERNAME)(
  _In_ SOCKET s,
  _Out_writes_bytes_to_(*namelen,*namelen) struct sockaddr FAR *name,
  _Inout_ int FAR *namelen);

typedef int
(WSAAPI *LPFN_GETSOCKNAME)(
  _In_ SOCKET s,
  _Out_writes_bytes_to_(*namelen,*namelen) struct sockaddr FAR *name,
  _Inout_ int FAR *namelen);

typedef int
(WSAAPI *LPFN_GETSOCKOPT)(
  _In_ SOCKET s,
  _In_ int level,
  _In_ int optname,
  _Out_writes_bytes_(*optlen) char FAR *optval,
  _Inout_ int FAR *optlen);

typedef u_long
(WSAAPI *LPFN_HTONL)(
  _In_ u_long hostlong);

typedef u_short
(WSAAPI *LPFN_HTONS)(
  _In_ u_short hostshort);

typedef unsigned long
(WSAAPI *LPFN_INET_ADDR)(
  _In_ const char FAR *cp);

typedef char FAR *
(WSAAPI *LPFN_INET_NTOA)(
  _In_ struct in_addr in);

typedef int
(WSAAPI *LPFN_LISTEN)(
  _In_ SOCKET s,
  _In_ int backlog);

typedef u_long
(WSAAPI *LPFN_NTOHL)(
  _In_ u_long netlong);

typedef u_short
(WSAAPI *LPFN_NTOHS)(
  _In_ u_short netshort);

typedef int
(WSAAPI *LPFN_RECV)(
  _In_ SOCKET s,
  _Out_writes_bytes_to_(len, return) char FAR *buf,
  _In_ int len,
  _In_ int flags);

typedef int
(WSAAPI *LPFN_RECVFROM)(
  _In_ SOCKET s,
  _Out_writes_bytes_to_(len, return) char FAR *buf,
  _In_ int len,
  _In_ int flags,
  _Out_writes_bytes_to_opt_(*fromlen, *fromlen) struct sockaddr FAR *from,
  _Inout_opt_ int FAR * fromlen);

typedef int
(WSAAPI *LPFN_SELECT)(
  _In_ int nfds,
  _Inout_opt_ fd_set FAR *readfds,
  _Inout_opt_ fd_set FAR *writefds,
  _Inout_opt_ fd_set FAR *exceptfds,
  _In_opt_ const struct timeval FAR *timeout);

typedef int
(WSAAPI *LPFN_SEND)(
  _In_ SOCKET s,
  _In_reads_bytes_(len) const char FAR *buf,
  _In_ int len,
  _In_ int flags);

typedef int
(WSAAPI *LPFN_SENDTO)(
  _In_ SOCKET s,
  _In_reads_bytes_(len) const char FAR *buf,
  _In_ int len,
  _In_ int flags,
  _In_reads_bytes_(tolen) const struct sockaddr FAR *to,
  _In_ int tolen);

typedef int
(WSAAPI *LPFN_SETSOCKOPT)(
  _In_ SOCKET s,
  _In_ int level,
  _In_ int optname,
  _In_reads_bytes_(optlen) const char FAR *optval,
  _In_ int optlen);

typedef int
(WSAAPI *LPFN_SHUTDOWN)(
  _In_ SOCKET s,
  _In_ int how);

_Must_inspect_result_
typedef SOCKET
(WSAAPI *LPFN_SOCKET)(
  _In_ int af,
  _In_ int type,
  _In_ int protocol);

typedef struct hostent FAR *
(WSAAPI *LPFN_GETHOSTBYADDR)(
  _In_reads_bytes_(len) const char FAR *addr,
  _In_ int len,
  _In_ int type);

typedef struct hostent FAR *
(WSAAPI *LPFN_GETHOSTBYNAME)(
  _In_ const char FAR *name);

typedef int
(WSAAPI *LPFN_GETHOSTNAME)(
  _Out_writes_bytes_(namelen) char FAR *name,
  _In_ int namelen);

typedef struct servent FAR *
(WSAAPI *LPFN_GETSERVBYPORT)(
  _In_ int port,
  _In_opt_z_ const char FAR *proto);

typedef struct servent FAR *
(WSAAPI *LPFN_GETSERVBYNAME)(
  _In_z_ const char FAR *name,
  _In_opt_z_ const char FAR *proto);

typedef struct protoent FAR *
(WSAAPI *LPFN_GETPROTOBYNUMBER)(
  _In_ int number);

typedef struct protoent FAR *
(WSAAPI *LPFN_GETPROTOBYNAME)(
  _In_z_ const char FAR *name);

_Must_inspect_result_
typedef int
(WSAAPI *LPFN_WSASTARTUP)(
  _In_ WORD wVersionRequired,
  _Out_ LPWSADATA lpWSAData);

typedef int
(WSAAPI *LPFN_WSACLEANUP)(void);

typedef void
(WSAAPI *LPFN_WSASETLASTERROR)(
  _In_ int iError);

typedef int
(WSAAPI *LPFN_WSAGETLASTERROR)(void);

typedef BOOL
(WSAAPI *LPFN_WSAISBLOCKING)(void);

typedef int
(WSAAPI *LPFN_WSAUNHOOKBLOCKINGHOOK)(void);

typedef FARPROC
(WSAAPI *LPFN_WSASETBLOCKINGHOOK)(
  _In_ FARPROC lpBlockFunc);

typedef int
(WSAAPI *LPFN_WSACANCELBLOCKINGCALL)(void);

typedef HANDLE
(WSAAPI *LPFN_WSAASYNCGETSERVBYNAME)(
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_z_ const char FAR *name,
  _In_z_ const char FAR *proto,
  _Out_writes_bytes_(buflen) char FAR *buf,
  _In_ int buflen);

typedef HANDLE
(WSAAPI *LPFN_WSAASYNCGETSERVBYPORT)(
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_ int port,
  _In_ const char FAR *proto,
  _Out_writes_bytes_(buflen) char FAR *buf,
  _In_ int buflen);

typedef HANDLE
(WSAAPI *LPFN_WSAASYNCGETPROTOBYNAME)(
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_z_ const char FAR *name,
  _Out_writes_bytes_(buflen) char FAR *buf,
  _In_ int buflen);

typedef HANDLE
(WSAAPI *LPFN_WSAASYNCGETPROTOBYNUMBER)(
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_ int number,
  _Out_writes_bytes_(buflen) char FAR *buf,
  _In_ int buflen);

typedef HANDLE
(WSAAPI *LPFN_WSAASYNCGETHOSTBYNAME)(
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_z_ const char FAR *name,
  _Out_writes_bytes_(buflen) char FAR *buf,
  _In_ int buflen);

typedef HANDLE
(WSAAPI *LPFN_WSAASYNCGETHOSTBYADDR)(
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_reads_bytes_(len) const char FAR *addr,
  _In_ int len,
  _In_ int type,
  _Out_writes_bytes_(buflen) char FAR *buf,
  _In_ int buflen);

typedef int
(WSAAPI *LPFN_WSACANCELASYNCREQUEST)(
  _In_ HANDLE hAsyncTaskHandle);

typedef int
(WSAAPI *LPFN_WSAASYNCSELECT)(
  _In_ SOCKET s,
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_ long lEvent);

_Must_inspect_result_
typedef SOCKET
(WSAAPI *LPFN_WSAACCEPT)(
  _In_ SOCKET s,
  _Out_writes_bytes_to_opt_(*addrlen,*addrlen) struct sockaddr FAR *addr,
  _Inout_opt_ LPINT addrlen,
  _In_opt_ LPCONDITIONPROC lpfnCondition,
  _In_opt_ DWORD_PTR dwCallbackData);

typedef BOOL
(WSAAPI *LPFN_WSACLOSEEVENT)(
  _In_ WSAEVENT hEvent);

typedef int
(WSAAPI *LPFN_WSACONNECT)(
  _In_ SOCKET s,
  _In_reads_bytes_(namelen) const struct sockaddr FAR *name,
  _In_ int namelen,
  _In_opt_ LPWSABUF lpCallerData,
  _Out_opt_ LPWSABUF lpCalleeData,
  _In_opt_ LPQOS lpSQOS,
  _In_opt_ LPQOS lpGQOS);

typedef WSAEVENT
(WSAAPI *LPFN_WSACREATEEVENT)(void);

typedef int
(WSAAPI *LPFN_WSADUPLICATESOCKETA)(
  _In_ SOCKET s,
  _In_ DWORD dwProcessId,
  _Out_ LPWSAPROTOCOL_INFOA lpProtocolInfo);

typedef int
(WSAAPI *LPFN_WSADUPLICATESOCKETW)(
  _In_ SOCKET s,
  _In_ DWORD dwProcessId,
  _Out_ LPWSAPROTOCOL_INFOW lpProtocolInfo);

#ifdef UNICODE
#define LPFN_WSADUPLICATESOCKET LPFN_WSADUPLICATESOCKETW
#else
#define LPFN_WSADUPLICATESOCKET LPFN_WSADUPLICATESOCKETA
#endif

typedef int
(WSAAPI *LPFN_WSAENUMNETWORKEVENTS)(
  _In_ SOCKET s,
  _In_ WSAEVENT hEventObject,
  _Out_ LPWSANETWORKEVENTS lpNetworkEvents);

typedef int
(WSAAPI *LPFN_WSAENUMPROTOCOLSA)(
  _In_opt_ LPINT lpiProtocols,
  _Out_writes_bytes_to_opt_(*lpdwBufferLength,*lpdwBufferLength) LPWSAPROTOCOL_INFOA lpProtocolBuffer,
  _Inout_ LPDWORD lpdwBufferLength);

typedef int
(WSAAPI *LPFN_WSAENUMPROTOCOLSW)(
  _In_opt_ LPINT lpiProtocols,
  _Out_writes_bytes_to_opt_(*lpdwBufferLength,*lpdwBufferLength) LPWSAPROTOCOL_INFOW lpProtocolBuffer,
  _Inout_ LPDWORD lpdwBufferLength);

#ifdef UNICODE
#define LPFN_WSAENUMPROTOCOLS LPFN_WSAENUMPROTOCOLSW
#else
#define LPFN_WSAENUMPROTOCOLS LPFN_WSAENUMPROTOCOLSA
#endif

typedef int
(WSAAPI *LPFN_WSAEVENTSELECT)(
  _In_ SOCKET s,
  _In_opt_ WSAEVENT hEventObject,
  _In_ long lNetworkEvents);

typedef BOOL
(WSAAPI *LPFN_WSAGETOVERLAPPEDRESULT)(
  _In_ SOCKET s,
  _In_ LPWSAOVERLAPPED lpOverlapped,
  _Out_ LPDWORD lpcbTransfer,
  _In_ BOOL fWait,
  _Out_ LPDWORD lpdwFlags);

typedef BOOL
(WSAAPI *LPFN_WSAGETQOSBYNAME)(
  IN SOCKET s,
  IN LPWSABUF lpQOSName,
  OUT LPQOS lpQOS);

typedef int
(WSAAPI *LPFN_WSAHTONL)(
  _In_ SOCKET s,
  _In_ u_long hostlong,
  _Out_ u_long FAR *lpnetlong);

typedef int
(WSAAPI *LPFN_WSAHTONS)(
  _In_ SOCKET s,
  _In_ u_short hostshort,
  _Out_ u_short FAR *lpnetshort);

typedef int
(WSAAPI *LPFN_WSAIOCTL)(
  _In_ SOCKET s,
  _In_ DWORD dwIoControlCode,
  _In_reads_bytes_opt_(cbInBuffer) LPVOID lpvInBuffer,
  _In_ DWORD cbInBuffer,
  _Out_writes_bytes_to_opt_(cbOutBuffer, *lpcbBytesReturned) LPVOID lpvOutBuffer,
  _In_ DWORD cbOutBuffer,
  _Out_ LPDWORD lpcbBytesReturned,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

typedef SOCKET
(WSAAPI *LPFN_WSAJOINLEAF)(
  _In_ SOCKET s,
  _In_reads_bytes_(namelen) const struct sockaddr FAR *name,
  _In_ int namelen,
  _In_opt_ LPWSABUF lpCallerData,
  _Out_opt_ LPWSABUF lpCalleeData,
  _In_opt_ LPQOS lpSQOS,
  _In_opt_ LPQOS lpGQOS,
  _In_ DWORD dwFlags);

typedef int
(WSAAPI *LPFN_WSANTOHL)(
  _In_ SOCKET s,
  _In_ u_long netlong,
  _Out_ u_long FAR *lphostlong);

typedef int
(WSAAPI *LPFN_WSANTOHS)(
  _In_ SOCKET s,
  _In_ u_short netshort,
  _Out_ u_short FAR *lphostshort);

typedef int
(WSAAPI *LPFN_WSARECV)(
  _In_ SOCKET s,
  _In_reads_(dwBufferCount) LPWSABUF lpBuffers,
  _In_ DWORD dwBufferCount,
  _Out_opt_ LPDWORD lpNumberOfBytesRecvd,
  _Inout_ LPDWORD lpFlags,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

typedef int
(WSAAPI *LPFN_WSARECVDISCONNECT)(
  _In_ SOCKET s,
  __out_data_source(NETWORK) LPWSABUF lpInboundDisconnectData);

typedef int
(WSAAPI *LPFN_WSARECVFROM)(
  _In_ SOCKET s,
  _In_reads_(dwBufferCount) LPWSABUF lpBuffers,
  _In_ DWORD dwBufferCount,
  _Out_opt_ LPDWORD lpNumberOfBytesRecvd,
  _Inout_ LPDWORD lpFlags,
  _Out_writes_bytes_to_opt_(*lpFromlen,*lpFromlen) struct sockaddr FAR *lpFrom,
  _Inout_opt_ LPINT lpFromlen,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

typedef BOOL
(WSAAPI *LPFN_WSARESETEVENT)(
  _In_ WSAEVENT hEvent);

typedef int
(WSAAPI *LPFN_WSASEND)(
  _In_ SOCKET s,
  _In_reads_(dwBufferCount) LPWSABUF lpBuffers,
  _In_ DWORD dwBufferCount,
  _Out_opt_ LPDWORD lpNumberOfBytesSent,
  _In_ DWORD dwFlags,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

typedef int
(WSAAPI *LPFN_WSASENDDISCONNECT)(
  _In_ SOCKET s,
  _In_opt_ LPWSABUF lpOutboundDisconnectData);

typedef int
(WSAAPI *LPFN_WSASENDTO)(
  _In_ SOCKET s,
  _In_reads_(dwBufferCount) LPWSABUF lpBuffers,
  _In_ DWORD dwBufferCount,
  _Out_opt_ LPDWORD lpNumberOfBytesSent,
  _In_ DWORD dwFlags,
  _In_reads_bytes_opt_(iTolen) const struct sockaddr FAR *lpTo,
  _In_ int iTolen,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

typedef BOOL
(WSAAPI *LPFN_WSASETEVENT)(
  _In_ WSAEVENT hEvent);

_Must_inspect_result_
typedef SOCKET
(WSAAPI *LPFN_WSASOCKETA)(
  _In_ int af,
  _In_ int type,
  _In_ int protocol,
  _In_opt_ LPWSAPROTOCOL_INFOA lpProtocolInfo,
  _In_ GROUP g,
  _In_ DWORD dwFlags);

_Must_inspect_result_
typedef SOCKET
(WSAAPI *LPFN_WSASOCKETW)(
  _In_ int af,
  _In_ int type,
  _In_ int protocol,
  _In_opt_ LPWSAPROTOCOL_INFOW lpProtocolInfo,
  _In_ GROUP g,
  _In_ DWORD dwFlags);

#ifdef UNICODE
#define LPFN_WSASOCKET LPFN_WSASOCKETW
#else
#define LPFN_WSASOCKET LPFN_WSASOCKETA
#endif

typedef DWORD
(WSAAPI *LPFN_WSAWAITFORMULTIPLEEVENTS)(
  _In_ DWORD cEvents,
  _In_reads_(cEvents) const WSAEVENT FAR *lphEvents,
  _In_ BOOL fWaitAll,
  _In_ DWORD dwTimeout,
  _In_ BOOL fAlertable);

typedef INT
(WSAAPI *LPFN_WSAADDRESSTOSTRINGA)(
  _In_reads_bytes_(dwAddressLength) LPSOCKADDR lpsaAddress,
  _In_ DWORD dwAddressLength,
  _In_opt_ LPWSAPROTOCOL_INFOA lpProtocolInfo,
  _Out_writes_to_(*lpdwAddressStringLength,*lpdwAddressStringLength) LPSTR lpszAddressString,
  _Inout_ LPDWORD lpdwAddressStringLength);

typedef INT
(WSAAPI *LPFN_WSAADDRESSTOSTRINGW)(
  _In_reads_bytes_(dwAddressLength) LPSOCKADDR lpsaAddress,
  _In_ DWORD dwAddressLength,
  _In_opt_ LPWSAPROTOCOL_INFOW lpProtocolInfo,
  _Out_writes_to_(*lpdwAddressStringLength,*lpdwAddressStringLength) LPWSTR lpszAddressString,
  _Inout_ LPDWORD lpdwAddressStringLength);

#ifdef UNICODE
#define LPFN_WSAADDRESSTOSTRING LPFN_WSAADDRESSTOSTRINGW
#else
#define LPFN_WSAADDRESSTOSTRING LPFN_WSAADDRESSTOSTRINGA
#endif

typedef INT
(WSAAPI *LPFN_WSASTRINGTOADDRESSA)(
  _In_ LPSTR AddressString,
  _In_ INT AddressFamily,
  _In_opt_ LPWSAPROTOCOL_INFOA lpProtocolInfo,
  _Out_writes_bytes_to_(*lpAddressLength,*lpAddressLength) LPSOCKADDR lpAddress,
  _Inout_ LPINT lpAddressLength);

typedef INT
(WSAAPI *LPFN_WSASTRINGTOADDRESSW)(
  _In_ LPWSTR AddressString,
  _In_ INT AddressFamily,
  _In_opt_ LPWSAPROTOCOL_INFOW lpProtocolInfo,
  _Out_writes_bytes_to_(*lpAddressLength,*lpAddressLength) LPSOCKADDR lpAddress,
  _Inout_ LPINT lpAddressLength);

#ifdef UNICODE
#define LPFN_WSASTRINGTOADDRESS LPFN_WSASTRINGTOADDRESSW
#else
#define LPFN_WSASTRINGTOADDRESS LPFN_WSASTRINGTOADDRESSA
#endif

typedef INT
(WSAAPI *LPFN_WSALOOKUPSERVICEBEGINA)(
  _In_ LPWSAQUERYSETA lpqsRestrictions,
  _In_ DWORD dwControlFlags,
  _Out_ LPHANDLE lphLookup);

typedef INT
(WSAAPI *LPFN_WSALOOKUPSERVICEBEGINW)(
  _In_ LPWSAQUERYSETW lpqsRestrictions,
  _In_ DWORD dwControlFlags,
  _Out_ LPHANDLE lphLookup);

#ifdef UNICODE
#define LPFN_WSALOOKUPSERVICEBEGIN LPFN_WSALOOKUPSERVICEBEGINW
#else
#define LPFN_WSALOOKUPSERVICEBEGIN LPFN_WSALOOKUPSERVICEBEGINA
#endif

typedef INT
(WSAAPI *LPFN_WSALOOKUPSERVICENEXTA)(
  _In_ HANDLE hLookup,
  _In_ DWORD dwControlFlags,
  _Inout_ LPDWORD lpdwBufferLength,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPWSAQUERYSETA lpqsResults);

typedef INT
(WSAAPI *LPFN_WSALOOKUPSERVICENEXTW)(
  _In_ HANDLE hLookup,
  _In_ DWORD dwControlFlags,
  _Inout_ LPDWORD lpdwBufferLength,
  _Out_writes_bytes_to_opt_(*lpdwBufferLength,*lpdwBufferLength) LPWSAQUERYSETW lpqsResults);

#ifdef UNICODE
#define LPFN_WSALOOKUPSERVICENEXT LPFN_WSALOOKUPSERVICENEXTW
#else
#define LPFN_WSALOOKUPSERVICENEXT LPFN_WSALOOKUPSERVICENEXTA
#endif

typedef INT
(WSAAPI *LPFN_WSALOOKUPSERVICEEND)(
  _In_ HANDLE hLookup);

typedef INT
(WSAAPI *LPFN_WSAINSTALLSERVICECLASSA)(
  _In_ LPWSASERVICECLASSINFOA lpServiceClassInfo);

typedef INT
(WSAAPI *LPFN_WSAINSTALLSERVICECLASSW)(
  _In_ LPWSASERVICECLASSINFOW lpServiceClassInfo);

#ifdef UNICODE
#define LPFN_WSAINSTALLSERVICECLASS LPFN_WSAINSTALLSERVICECLASSW
#else
#define LPFN_WSAINSTALLSERVICECLASS LPFN_WSAINSTALLSERVICECLASSA
#endif

typedef INT
(WSAAPI *LPFN_WSAREMOVESERVICECLASS)(
  _In_ LPGUID lpServiceClassId);

typedef INT
(WSAAPI *LPFN_WSAGETSERVICECLASSINFOA)(
  _In_ LPGUID lpProviderId,
  _In_ LPGUID lpServiceClassId,
  _Inout_ LPDWORD lpdwBufSize,
  _Out_writes_bytes_to_(*lpdwBufSize,*lpdwBufSize) LPWSASERVICECLASSINFOA lpServiceClassInfo);

typedef INT
(WSAAPI *LPFN_WSAGETSERVICECLASSINFOW)(
  _In_ LPGUID lpProviderId,
  _In_ LPGUID lpServiceClassId,
  _Inout_ LPDWORD lpdwBufSize,
  _Out_writes_bytes_to_(*lpdwBufSize,*lpdwBufSize) LPWSASERVICECLASSINFOW lpServiceClassInfo);

#ifdef UNICODE
#define LPFN_WSAGETSERVICECLASSINFO LPFN_WSAGETSERVICECLASSINFOW
#else
#define LPFN_WSAGETSERVICECLASSINFO LPFN_WSAGETSERVICECLASSINFOA
#endif

typedef INT
(WSAAPI *LPFN_WSAENUMNAMESPACEPROVIDERSA)(
  _Inout_ LPDWORD lpdwBufferLength,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPWSANAMESPACE_INFOA lpnspBuffer);

typedef INT
(WSAAPI *LPFN_WSAENUMNAMESPACEPROVIDERSW)(
  _Inout_ LPDWORD lpdwBufferLength,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPWSANAMESPACE_INFOW lpnspBuffer);

#ifdef UNICODE
#define LPFN_WSAENUMNAMESPACEPROVIDERS LPFN_WSAENUMNAMESPACEPROVIDERSW
#else
#define LPFN_WSAENUMNAMESPACEPROVIDERS LPFN_WSAENUMNAMESPACEPROVIDERSA
#endif

typedef INT
(WSAAPI *LPFN_WSAGETSERVICECLASSNAMEBYCLASSIDA)(
  _In_ LPGUID lpServiceClassId,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPSTR lpszServiceClassName,
  _Inout_ LPDWORD lpdwBufferLength);

typedef INT
(WSAAPI *LPFN_WSAGETSERVICECLASSNAMEBYCLASSIDW)(
  _In_ LPGUID lpServiceClassId,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPWSTR lpszServiceClassName,
  _Inout_ LPDWORD lpdwBufferLength);

#ifdef UNICODE
#define LPFN_WSAGETSERVICECLASSNAMEBYCLASSID LPFN_WSAGETSERVICECLASSNAMEBYCLASSIDW
#else
#define LPFN_WSAGETSERVICECLASSNAMEBYCLASSID LPFN_WSAGETSERVICECLASSNAMEBYCLASSIDA
#endif

typedef INT
(WSAAPI *LPFN_WSASETSERVICEA)(
  _In_ LPWSAQUERYSETA lpqsRegInfo,
  _In_ WSAESETSERVICEOP essoperation,
  _In_ DWORD dwControlFlags);

typedef INT
(WSAAPI *LPFN_WSASETSERVICEW)(
  _In_ LPWSAQUERYSETW lpqsRegInfo,
  _In_ WSAESETSERVICEOP essoperation,
  _In_ DWORD dwControlFlags);

#ifdef UNICODE
#define LPFN_WSASETSERVICE LPFN_WSASETSERVICEW
#else
#define LPFN_WSASETSERVICE LPFN_WSASETSERVICEA
#endif

typedef INT
(WSAAPI *LPFN_WSAPROVIDERCONFIGCHANGE)(
  _Inout_ LPHANDLE lpNotificationHandle,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

#if(_WIN32_WINNT >= 0x0501)
typedef INT
(WSAAPI *LPFN_WSANSPIOCTL)(
  _In_ HANDLE hLookup,
  _In_ DWORD dwControlCode,
  _In_reads_bytes_opt_(cbInBuffer) LPVOID lpvInBuffer,
  _In_ DWORD cbInBuffer,
  _Out_writes_bytes_to_opt_(cbOutBuffer, *lpcbBytesReturned) LPVOID lpvOutBuffer,
  _In_ DWORD cbOutBuffer,
  _Out_ LPDWORD lpcbBytesReturned,
  _In_opt_ LPWSACOMPLETION lpCompletion);
#endif /* (_WIN32_WINNT >= 0x0501) */

#if (_WIN32_WINNT >= 0x0600)

typedef INT
(WSAAPI *LPFN_WSAENUMNAMESPACEPROVIDERSEXA)(
  _Inout_ LPDWORD lpdwBufferLength,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPWSANAMESPACE_INFOEXA lpnspBuffer);

typedef INT
(WSAAPI *LPFN_WSAENUMNAMESPACEPROVIDERSEXW)(
  _Inout_ LPDWORD lpdwBufferLength,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPWSANAMESPACE_INFOEXW lpnspBuffer);

#ifdef UNICODE
#define LPFN_WSAENUMNAMESPACEPROVIDERSEX LPFN_WSAENUMNAMESPACEPROVIDERSEXW
#else
#define LPFN_WSAENUMNAMESPACEPROVIDERSEX LPFN_WSAENUMNAMESPACEPROVIDERSEXA
#endif

#endif /* (_WIN32_WINNT >= 0x600) */

#endif /* INCL_WINSOCK_API_TYPEDEFS */

#if INCL_WINSOCK_API_PROTOTYPES

_Must_inspect_result_
WINSOCK_API_LINKAGE
SOCKET
WSAAPI
accept(
  _In_ SOCKET s,
  _Out_writes_bytes_opt_(*addrlen) struct sockaddr FAR *addr,
  _Inout_opt_ int FAR *addrlen);

WINSOCK_API_LINKAGE
int
WSAAPI
bind(
  _In_ SOCKET s,
  _In_reads_bytes_(namelen) const struct sockaddr FAR *addr,
  _In_ int namelen);

WINSOCK_API_LINKAGE
int
WSAAPI
closesocket(
  _In_ SOCKET s);

WINSOCK_API_LINKAGE
int
WSAAPI
connect(
  _In_ SOCKET s,
  _In_reads_bytes_(namelen) const struct sockaddr FAR *name,
  _In_ int namelen);

WINSOCK_API_LINKAGE
int
WSAAPI
ioctlsocket(
  _In_ SOCKET s,
  _In_ long cmd,
  _Inout_ u_long FAR *argp);

WINSOCK_API_LINKAGE
int
WSAAPI
getpeername(
  _In_ SOCKET s,
  _Out_writes_bytes_to_(*namelen,*namelen) struct sockaddr FAR *name,
  _Inout_ int FAR *namelen);

WINSOCK_API_LINKAGE
int
WSAAPI
getsockname(
  _In_ SOCKET s,
  _Out_writes_bytes_to_(*namelen,*namelen) struct sockaddr FAR *name,
  _Inout_ int FAR *namelen);

WINSOCK_API_LINKAGE
int
WSAAPI
getsockopt(
  _In_ SOCKET s,
  _In_ int level,
  _In_ int optname,
  _Out_writes_bytes_(*optlen) char FAR *optval,
  _Inout_ int FAR *optlen);

WINSOCK_API_LINKAGE
u_long
WSAAPI
htonl(
  IN u_long hostlong);

WINSOCK_API_LINKAGE
u_short
WSAAPI
htons(
  _In_ u_short hostshort);

WINSOCK_API_LINKAGE
unsigned long
WSAAPI
inet_addr(
  _In_z_ const char FAR *cp);

WINSOCK_API_LINKAGE
char FAR *
WSAAPI
inet_ntoa(
  _In_ struct in_addr in);

WINSOCK_API_LINKAGE
int
WSAAPI
listen(
  _In_ SOCKET s,
  _In_ int backlog);

WINSOCK_API_LINKAGE
u_long
WSAAPI
ntohl(
  _In_ u_long netlong);

WINSOCK_API_LINKAGE
u_short
WSAAPI
ntohs(
  _In_ u_short netshort);

WINSOCK_API_LINKAGE
int
WSAAPI
recv(
  _In_ SOCKET s,
  _Out_writes_bytes_to_(len, return) __out_data_source(NETWORK) char FAR *buf,
  _In_ int len,
  _In_ int flags);

WINSOCK_API_LINKAGE
int
WSAAPI
recvfrom(
  _In_ SOCKET s,
  _Out_writes_bytes_to_(len, return) __out_data_source(NETWORK) char FAR *buf,
  _In_ int len,
  _In_ int flags,
  _Out_writes_bytes_to_opt_(*fromlen, *fromlen) struct sockaddr FAR *from,
  _Inout_opt_ int FAR *fromlen);

WINSOCK_API_LINKAGE
int
WSAAPI
select(
  _In_ int nfds,
  _Inout_opt_ fd_set FAR *readfds,
  _Inout_opt_ fd_set FAR *writefds,
  _Inout_opt_ fd_set FAR *exceptfds,
  _In_opt_ const struct timeval FAR *timeout);

WINSOCK_API_LINKAGE
int
WSAAPI
send(
  _In_ SOCKET s,
  _In_reads_bytes_(len) const char FAR *buf,
  _In_ int len,
  _In_ int flags);

WINSOCK_API_LINKAGE
int
WSAAPI
sendto(
  _In_ SOCKET s,
  _In_reads_bytes_(len) const char FAR *buf,
  _In_ int len,
  _In_ int flags,
  _In_reads_bytes_(tolen) const struct sockaddr FAR *to,
  _In_ int tolen);

WINSOCK_API_LINKAGE
int
WSAAPI
setsockopt(
  _In_ SOCKET s,
  _In_ int level,
  _In_ int optname,
  _In_reads_bytes_opt_(optlen) const char FAR *optval,
  _In_ int optlen);

WINSOCK_API_LINKAGE
int
WSAAPI
shutdown(
  _In_ SOCKET s,
  _In_ int how);

_Must_inspect_result_
WINSOCK_API_LINKAGE
SOCKET
WSAAPI
socket(
  _In_ int af,
  _In_ int type,
  _In_ int protocol);

WINSOCK_API_LINKAGE
struct hostent FAR *
WSAAPI
gethostbyaddr(
  _In_reads_bytes_(len) const char FAR *addr,
  _In_ int len,
  _In_ int type);

WINSOCK_API_LINKAGE
struct hostent FAR *
WSAAPI
gethostbyname(
  _In_z_ const char FAR *name);

WINSOCK_API_LINKAGE
int
WSAAPI
gethostname(
  _Out_writes_bytes_(namelen) char FAR *name,
  _In_ int namelen);

WINSOCK_API_LINKAGE
struct servent FAR *
WSAAPI
getservbyport(
  _In_ int port,
  _In_opt_z_ const char FAR *proto);

WINSOCK_API_LINKAGE
struct servent FAR *
WSAAPI
getservbyname(
  _In_z_ const char FAR *name,
  _In_opt_z_ const char FAR *proto);

WINSOCK_API_LINKAGE
struct protoent FAR *
WSAAPI
getprotobynumber(
  _In_ int number);

WINSOCK_API_LINKAGE
struct protoent FAR *
WSAAPI
getprotobyname(
  _In_z_ const char FAR *name);

_Must_inspect_result_
WINSOCK_API_LINKAGE
int
WSAAPI
WSAStartup(
  _In_ WORD wVersionRequired,
  _Out_ LPWSADATA lpWSAData);

WINSOCK_API_LINKAGE
int
WSAAPI
WSACleanup(void);

WINSOCK_API_LINKAGE
void
WSAAPI
WSASetLastError(
  _In_ int iError);

WINSOCK_API_LINKAGE
int
WSAAPI
WSAGetLastError(void);

WINSOCK_API_LINKAGE
BOOL
WSAAPI
WSAIsBlocking(void);

WINSOCK_API_LINKAGE
int
WSAAPI
WSAUnhookBlockingHook(void);

WINSOCK_API_LINKAGE
FARPROC
WSAAPI
WSASetBlockingHook(
  _In_ FARPROC lpBlockFunc);

WINSOCK_API_LINKAGE
int
WSAAPI
WSACancelBlockingCall(void);

WINSOCK_API_LINKAGE
HANDLE
WSAAPI
WSAAsyncGetServByName(
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_z_ const char FAR *name,
  _In_z_ const char FAR *proto,
  _Out_writes_bytes_(buflen) char FAR *buf,
  _In_ int buflen);

WINSOCK_API_LINKAGE
HANDLE
WSAAPI
WSAAsyncGetServByPort(
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_ int port,
  _In_ const char FAR *proto,
  _Out_writes_bytes_(buflen) char FAR *buf,
  _In_ int buflen);

WINSOCK_API_LINKAGE
HANDLE
WSAAPI
WSAAsyncGetProtoByName(
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_z_ const char FAR *name,
  _Out_writes_bytes_(buflen) char FAR *buf,
  _In_ int buflen);

WINSOCK_API_LINKAGE
HANDLE
WSAAPI
WSAAsyncGetProtoByNumber(
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_ int number,
  _Out_writes_bytes_(buflen) char FAR *buf,
  _In_ int buflen);

WINSOCK_API_LINKAGE
HANDLE
WSAAPI
WSAAsyncGetHostByName(
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_z_ const char FAR *name,
  _Out_writes_bytes_(buflen) char FAR *buf,
  _In_ int buflen);

WINSOCK_API_LINKAGE
HANDLE
WSAAPI
WSAAsyncGetHostByAddr(
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_reads_bytes_(len) const char FAR *addr,
  _In_ int len,
  _In_ int type,
  _Out_writes_bytes_(buflen) char FAR *buf,
  _In_ int buflen);

WINSOCK_API_LINKAGE
int
WSAAPI
WSACancelAsyncRequest(
  _In_ HANDLE hAsyncTaskHandle);

WINSOCK_API_LINKAGE
int
WSAAPI
WSAAsyncSelect(
  _In_ SOCKET s,
  _In_ HWND hWnd,
  _In_ u_int wMsg,
  _In_ long lEvent);

_Must_inspect_result_
WINSOCK_API_LINKAGE
SOCKET
WSAAPI
WSAAccept(
  _In_ SOCKET s,
  _Out_writes_bytes_to_opt_(*addrlen,*addrlen) struct sockaddr FAR *addr,
  _Inout_opt_ LPINT addrlen,
  _In_opt_ LPCONDITIONPROC lpfnCondition,
  _In_opt_ DWORD_PTR dwCallbackData);

WINSOCK_API_LINKAGE
BOOL
WSAAPI
WSACloseEvent(
  _In_ WSAEVENT hEvent);

WINSOCK_API_LINKAGE
int
WSAAPI
WSAConnect(
  _In_ SOCKET s,
  _In_reads_bytes_(namelen) const struct sockaddr FAR *name,
  _In_ int namelen,
  _In_opt_ LPWSABUF lpCallerData,
  _Out_opt_ LPWSABUF lpCalleeData,
  _In_opt_ LPQOS lpSQOS,
  _In_opt_ LPQOS lpGQOS);

#ifdef UNICODE
#define WSAConnectByName WSAConnectByNameW
#else
#define WSAConnectByName WSAConnectByNameA
#endif

BOOL
PASCAL
WSAConnectByNameW(
  _In_ SOCKET s,
  _In_ LPWSTR nodename,
  _In_ LPWSTR servicename,
  _Inout_opt_ LPDWORD LocalAddressLength,
  _Out_writes_bytes_to_opt_(*LocalAddressLength,*LocalAddressLength) LPSOCKADDR LocalAddress,
  _Inout_opt_ LPDWORD RemoteAddressLength,
  _Out_writes_bytes_to_opt_(*RemoteAddressLength,*RemoteAddressLength) LPSOCKADDR RemoteAddress,
  _In_opt_ const struct timeval *timeout,
  _Reserved_ LPWSAOVERLAPPED Reserved);

BOOL
PASCAL
WSAConnectByNameA(
  _In_ SOCKET s,
  _In_ LPCSTR nodename,
  _In_ LPCSTR servicename,
  _Inout_opt_ LPDWORD LocalAddressLength,
  _Out_writes_bytes_to_opt_(*LocalAddressLength,*LocalAddressLength) LPSOCKADDR LocalAddress,
  _Inout_opt_ LPDWORD RemoteAddressLength,
  _Out_writes_bytes_to_opt_(*RemoteAddressLength,*RemoteAddressLength) LPSOCKADDR RemoteAddress,
  _In_opt_ const struct timeval *timeout,
  _Reserved_ LPWSAOVERLAPPED Reserved);

BOOL
PASCAL
WSAConnectByList(
  _In_ SOCKET s,
  _In_ PSOCKET_ADDRESS_LIST SocketAddress,
  _Inout_opt_ LPDWORD LocalAddressLength,
  _Out_writes_bytes_to_opt_(*LocalAddressLength,*LocalAddressLength) LPSOCKADDR LocalAddress,
  _Inout_opt_ LPDWORD RemoteAddressLength,
  _Out_writes_bytes_to_opt_(*RemoteAddressLength,*RemoteAddressLength) LPSOCKADDR RemoteAddress,
  _In_opt_ const struct timeval *timeout,
  _Reserved_ LPWSAOVERLAPPED Reserved);

WINSOCK_API_LINKAGE
WSAEVENT
WSAAPI
WSACreateEvent(void);

WINSOCK_API_LINKAGE
int
WSAAPI
WSADuplicateSocketA(
  _In_ SOCKET s,
  _In_ DWORD dwProcessId,
  _Out_ LPWSAPROTOCOL_INFOA lpProtocolInfo);

WINSOCK_API_LINKAGE
int
WSAAPI
WSADuplicateSocketW(
  _In_ SOCKET s,
  _In_ DWORD dwProcessId,
  _Out_ LPWSAPROTOCOL_INFOW lpProtocolInfo);

#ifdef UNICODE
#define WSADuplicateSocket WSADuplicateSocketW
#else
#define WSADuplicateSocket WSADuplicateSocketA
#endif

WINSOCK_API_LINKAGE
int
WSAAPI
WSAEnumNetworkEvents(
  _In_ SOCKET s,
  _In_ WSAEVENT hEventObject,
  _Out_ LPWSANETWORKEVENTS lpNetworkEvents);

WINSOCK_API_LINKAGE
int
WSAAPI
WSAEnumProtocolsA(
  _In_opt_ LPINT lpiProtocols,
  _Out_writes_bytes_to_opt_(*lpdwBufferLength,*lpdwBufferLength) LPWSAPROTOCOL_INFOA lpProtocolBuffer,
  _Inout_ LPDWORD lpdwBufferLength);

WINSOCK_API_LINKAGE
int
WSAAPI
WSAEnumProtocolsW(
  _In_opt_ LPINT lpiProtocols,
  _Out_writes_bytes_to_opt_(*lpdwBufferLength,*lpdwBufferLength) LPWSAPROTOCOL_INFOW lpProtocolBuffer,
  _Inout_ LPDWORD lpdwBufferLength);

#ifdef UNICODE
#define WSAEnumProtocols WSAEnumProtocolsW
#else
#define WSAEnumProtocols WSAEnumProtocolsA
#endif

WINSOCK_API_LINKAGE
int
WSAAPI
WSAEventSelect(
  _In_ SOCKET s,
  _In_opt_ WSAEVENT hEventObject,
  _In_ long lNetworkEvents);

WINSOCK_API_LINKAGE
BOOL
WSAAPI
WSAGetOverlappedResult(
  _In_ SOCKET s,
  _In_ LPWSAOVERLAPPED lpOverlapped,
  _Out_ LPDWORD lpcbTransfer,
  _In_ BOOL fWait,
  _Out_ LPDWORD lpdwFlags);

WINSOCK_API_LINKAGE
BOOL
WSAAPI
WSAGetQOSByName(
  _In_ SOCKET s,
  _In_ LPWSABUF lpQOSName,
  _Out_ LPQOS lpQOS);

WINSOCK_API_LINKAGE
int
WSAAPI
WSAHtonl(
  _In_ SOCKET s,
  _In_ u_long hostlong,
  _Out_ u_long FAR *lpnetlong);

WINSOCK_API_LINKAGE
int
WSAAPI
WSAHtons(
  _In_ SOCKET s,
  _In_ u_short hostshort,
  _Out_ u_short FAR *lpnetshort);

WINSOCK_API_LINKAGE
int
WSAAPI
WSAIoctl(
  _In_ SOCKET s,
  _In_ DWORD dwIoControlCode,
  _In_reads_bytes_opt_(cbInBuffer) LPVOID lpvInBuffer,
  _In_ DWORD cbInBuffer,
  _Out_writes_bytes_to_opt_(cbOutBuffer, *lpcbBytesReturned) LPVOID lpvOutBuffer,
  _In_ DWORD cbOutBuffer,
  _Out_ LPDWORD lpcbBytesReturned,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

WINSOCK_API_LINKAGE
SOCKET
WSAAPI
WSAJoinLeaf(
  _In_ SOCKET s,
  _In_reads_bytes_(namelen) const struct sockaddr FAR *name,
  _In_ int namelen,
  _In_opt_ LPWSABUF lpCallerData,
  _Out_opt_ LPWSABUF lpCalleeData,
  _In_opt_ LPQOS lpSQOS,
  _In_opt_ LPQOS lpGQOS,
  _In_ DWORD dwFlags);

WINSOCK_API_LINKAGE
int
WSAAPI
WSANtohl(
  _In_ SOCKET s,
  _In_ u_long netlong,
  _Out_ u_long FAR *lphostlong);

WINSOCK_API_LINKAGE
int
WSAAPI
WSANtohs(
  _In_ SOCKET s,
  _In_ u_short netshort,
  _Out_ u_short FAR *lphostshort);

WINSOCK_API_LINKAGE
int
WSAAPI
WSARecv(
  _In_ SOCKET s,
  _In_reads_(dwBufferCount) __out_data_source(NETWORK) LPWSABUF lpBuffers,
  _In_ DWORD dwBufferCount,
  _Out_opt_ LPDWORD lpNumberOfBytesRecvd,
  _Inout_ LPDWORD lpFlags,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

WINSOCK_API_LINKAGE
int
WSAAPI
WSARecvDisconnect(
  _In_ SOCKET s,
  _In_opt_ __out_data_source(NETWORK) LPWSABUF lpInboundDisconnectData);

WINSOCK_API_LINKAGE
int
WSAAPI
WSARecvFrom(
  _In_ SOCKET s,
  _In_reads_(dwBufferCount) __out_data_source(NETWORK) LPWSABUF lpBuffers,
  _In_ DWORD dwBufferCount,
  _Out_opt_ LPDWORD lpNumberOfBytesRecvd,
  _Inout_ LPDWORD lpFlags,
  _Out_writes_bytes_to_opt_(*lpFromlen,*lpFromlen) struct sockaddr FAR *lpFrom,
  _Inout_opt_ LPINT lpFromlen,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

WINSOCK_API_LINKAGE
BOOL
WSAAPI
WSAResetEvent(
  _In_ WSAEVENT hEvent);

WINSOCK_API_LINKAGE
int
WSAAPI
WSASendDisconnect(
  _In_ SOCKET s,
  _In_opt_ LPWSABUF lpOutboundDisconnectData);

WINSOCK_API_LINKAGE
int
WSAAPI
WSASend(
  _In_ SOCKET s,
  _In_reads_(dwBufferCount) LPWSABUF lpBuffers,
  _In_ DWORD dwBufferCount,
  _Out_opt_ LPDWORD lpNumberOfBytesSent,
  _In_ DWORD dwFlags,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

WINSOCK_API_LINKAGE
int
WSAAPI
WSASendTo(
  _In_ SOCKET s,
  _In_reads_(dwBufferCount) LPWSABUF lpBuffers,
  _In_ DWORD dwBufferCount,
  _Out_opt_ LPDWORD lpNumberOfBytesSent,
  _In_ DWORD dwFlags,
  _In_reads_bytes_opt_(iTolen) const struct sockaddr FAR *lpTo,
  _In_ int iTolen,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

WINSOCK_API_LINKAGE
BOOL
WSAAPI
WSASetEvent(
  _In_ WSAEVENT hEvent);

_Must_inspect_result_
WINSOCK_API_LINKAGE
SOCKET
WSAAPI
WSASocketA(
  _In_ int af,
  _In_ int type,
  _In_ int protocol,
  _In_opt_ LPWSAPROTOCOL_INFOA lpProtocolInfo,
  _In_ GROUP g,
  _In_ DWORD dwFlags);

_Must_inspect_result_
WINSOCK_API_LINKAGE
SOCKET
WSAAPI
WSASocketW(
  _In_ int af,
  _In_ int type,
  _In_ int protocol,
  _In_opt_ LPWSAPROTOCOL_INFOW lpProtocolInfo,
  _In_ GROUP g,
  _In_ DWORD dwFlags);

#ifdef UNICODE
#define WSASocket WSASocketW
#else
#define WSASocket WSASocketA
#endif

WINSOCK_API_LINKAGE
DWORD
WSAAPI
WSAWaitForMultipleEvents(
  _In_ DWORD cEvents,
  _In_reads_(cEvents) const WSAEVENT FAR *lphEvents,
  _In_ BOOL fWaitAll,
  _In_ DWORD dwTimeout,
  _In_ BOOL fAlertable);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAAddressToStringA(
  _In_reads_bytes_(dwAddressLength) LPSOCKADDR lpsaAddress,
  _In_ DWORD dwAddressLength,
  _In_opt_ LPWSAPROTOCOL_INFOA lpProtocolInfo,
  _Out_writes_to_(*lpdwAddressStringLength,*lpdwAddressStringLength) LPSTR lpszAddressString,
  _Inout_ LPDWORD lpdwAddressStringLength);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAAddressToStringW(
  _In_reads_bytes_(dwAddressLength) LPSOCKADDR lpsaAddress,
  _In_ DWORD dwAddressLength,
  _In_opt_ LPWSAPROTOCOL_INFOW lpProtocolInfo,
  _Out_writes_to_(*lpdwAddressStringLength,*lpdwAddressStringLength) LPWSTR lpszAddressString,
  _Inout_ LPDWORD lpdwAddressStringLength);

#ifdef UNICODE
#define WSAAddressToString WSAAddressToStringW
#else
#define WSAAddressToString WSAAddressToStringA
#endif

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAStringToAddressA(
  _In_ LPSTR AddressString,
  _In_ INT AddressFamily,
  _In_opt_ LPWSAPROTOCOL_INFOA lpProtocolInfo,
  _Out_writes_bytes_to_(*lpAddressLength,*lpAddressLength) LPSOCKADDR lpAddress,
  _Inout_ LPINT lpAddressLength);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAStringToAddressW(
  _In_ LPWSTR AddressString,
  _In_ INT AddressFamily,
  _In_opt_ LPWSAPROTOCOL_INFOW lpProtocolInfo,
  _Out_writes_bytes_to_(*lpAddressLength,*lpAddressLength) LPSOCKADDR lpAddress,
  _Inout_ LPINT lpAddressLength);

#ifdef UNICODE
#define WSAStringToAddress WSAStringToAddressW
#else
#define WSAStringToAddress WSAStringToAddressA
#endif

WINSOCK_API_LINKAGE
INT
WSAAPI
WSALookupServiceBeginA(
  _In_ LPWSAQUERYSETA lpqsRestrictions,
  _In_ DWORD dwControlFlags,
  _Out_ LPHANDLE lphLookup);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSALookupServiceBeginW(
  _In_ LPWSAQUERYSETW lpqsRestrictions,
  _In_ DWORD dwControlFlags,
  _Out_ LPHANDLE lphLookup);

#ifdef UNICODE
#define WSALookupServiceBegin WSALookupServiceBeginW
#else
#define WSALookupServiceBegin WSALookupServiceBeginA
#endif

WINSOCK_API_LINKAGE
INT
WSAAPI
WSALookupServiceNextA(
  _In_ HANDLE hLookup,
  _In_ DWORD dwControlFlags,
  _Inout_ LPDWORD lpdwBufferLength,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPWSAQUERYSETA lpqsResults);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSALookupServiceNextW(
  _In_ HANDLE hLookup,
  _In_ DWORD dwControlFlags,
  _Inout_ LPDWORD lpdwBufferLength,
  _Out_writes_bytes_to_opt_(*lpdwBufferLength,*lpdwBufferLength) LPWSAQUERYSETW lpqsResults);

#ifdef UNICODE
#define WSALookupServiceNext WSALookupServiceNextW
#else
#define WSALookupServiceNext WSALookupServiceNextA
#endif

WINSOCK_API_LINKAGE
INT
WSAAPI
WSALookupServiceEnd(
  _In_ HANDLE hLookup);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAInstallServiceClassA(
  _In_ LPWSASERVICECLASSINFOA lpServiceClassInfo);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAInstallServiceClassW(
  _In_ LPWSASERVICECLASSINFOW lpServiceClassInfo);

#ifdef UNICODE
#define WSAInstallServiceClass WSAInstallServiceClassW
#else
#define WSAInstallServiceClass WSAInstallServiceClassA
#endif

WINSOCK_API_LINKAGE
INT
WSAAPI
WSARemoveServiceClass(
  _In_ LPGUID lpServiceClassId);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAGetServiceClassInfoA(
  _In_ LPGUID lpProviderId,
  _In_ LPGUID lpServiceClassId,
  _Inout_ LPDWORD lpdwBufSize,
  _Out_writes_bytes_to_(*lpdwBufSize,*lpdwBufSize) LPWSASERVICECLASSINFOA lpServiceClassInfo);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAGetServiceClassInfoW(
  _In_ LPGUID lpProviderId,
  _In_ LPGUID lpServiceClassId,
  _Inout_ LPDWORD lpdwBufSize,
  _Out_writes_bytes_to_(*lpdwBufSize,*lpdwBufSize) LPWSASERVICECLASSINFOW lpServiceClassInfo);

#ifdef UNICODE
#define WSAGetServiceClassInfo WSAGetServiceClassInfoW
#else
#define WSAGetServiceClassInfo WSAGetServiceClassInfoA
#endif

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAEnumNameSpaceProvidersA(
  _Inout_ LPDWORD lpdwBufferLength,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPWSANAMESPACE_INFOA lpnspBuffer);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAEnumNameSpaceProvidersW(
  _Inout_ LPDWORD lpdwBufferLength,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPWSANAMESPACE_INFOW lpnspBuffer);

#ifdef UNICODE
#define WSAEnumNameSpaceProviders WSAEnumNameSpaceProvidersW
#else
#define WSAEnumNameSpaceProviders WSAEnumNameSpaceProvidersA
#endif

_Success_(return == 0)
WINSOCK_API_LINKAGE
INT
WSAAPI
WSAGetServiceClassNameByClassIdA(
  _In_ LPGUID lpServiceClassId,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPSTR lpszServiceClassName,
  _Inout_ LPDWORD lpdwBufferLength);

_Success_(return == 0)
WINSOCK_API_LINKAGE
INT
WSAAPI
WSAGetServiceClassNameByClassIdW(
  _In_ LPGUID lpServiceClassId,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPWSTR lpszServiceClassName,
  _Inout_ LPDWORD lpdwBufferLength);

#ifdef UNICODE
#define WSAGetServiceClassNameByClassId WSAGetServiceClassNameByClassIdW
#else
#define WSAGetServiceClassNameByClassId WSAGetServiceClassNameByClassIdA
#endif

WINSOCK_API_LINKAGE
INT
WSAAPI
WSASetServiceA(
  _In_ LPWSAQUERYSETA lpqsRegInfo,
  _In_ WSAESETSERVICEOP essoperation,
  _In_ DWORD dwControlFlags);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSASetServiceW(
  _In_ LPWSAQUERYSETW lpqsRegInfo,
  _In_ WSAESETSERVICEOP essoperation,
  _In_ DWORD dwControlFlags);

#ifdef UNICODE
#define WSASetService WSASetServiceW
#else
#define WSASetService WSASetServiceA
#endif

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAProviderConfigChange(
  _Inout_ LPHANDLE lpNotificationHandle,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

#if(_WIN32_WINNT >= 0x0501)
WINSOCK_API_LINKAGE
INT
WSAAPI
WSANSPIoctl(
  _In_ HANDLE hLookup,
  _In_ DWORD dwControlCode,
  _In_reads_bytes_opt_(cbInBuffer) LPVOID lpvInBuffer,
  _In_ DWORD cbInBuffer,
  _Out_writes_bytes_to_opt_(cbOutBuffer, *lpcbBytesReturned) LPVOID lpvOutBuffer,
  _In_ DWORD cbOutBuffer,
  _Out_ LPDWORD lpcbBytesReturned,
  _In_opt_ LPWSACOMPLETION lpCompletion);
#endif /* (_WIN32_WINNT >= 0x0501) */

#if(_WIN32_WINNT >= 0x0600)

WINSOCK_API_LINKAGE
int
WSAAPI
WSASendMsg(
  _In_ SOCKET Handle,
  _In_ LPWSAMSG lpMsg,
  _In_ DWORD dwFlags,
  _Out_opt_ LPDWORD lpNumberOfBytesSent,
  _Inout_opt_ LPWSAOVERLAPPED lpOverlapped,
  _In_opt_ LPWSAOVERLAPPED_COMPLETION_ROUTINE lpCompletionRoutine);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAEnumNameSpaceProvidersExA(
  _Inout_ LPDWORD lpdwBufferLength,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPWSANAMESPACE_INFOEXA lpnspBuffer);

WINSOCK_API_LINKAGE
INT
WSAAPI
WSAEnumNameSpaceProvidersExW(
  _Inout_ LPDWORD lpdwBufferLength,
  _Out_writes_bytes_to_(*lpdwBufferLength,*lpdwBufferLength) LPWSANAMESPACE_INFOEXW lpnspBuffer);

#ifdef UNICODE
#define WSAEnumNameSpaceProvidersEx WSAEnumNameSpaceProvidersExW
#else
#define WSAEnumNameSpaceProvidersEx WSAEnumNameSpaceProvidersExA
#endif

WINSOCK_API_LINKAGE
int
WSAAPI
WSAPoll(
  _Inout_ LPWSAPOLLFD fdArray,
  _In_ ULONG fds,
  _In_ INT timeout);

#endif /* (_WIN32_WINNT >= 0x0600) */

#endif /* INCL_WINSOCK_API_PROTOTYPES */

typedef struct sockaddr_in FAR *LPSOCKADDR_IN;
typedef struct linger LINGER;
typedef struct linger *PLINGER;
typedef struct linger FAR *LPLINGER;
typedef struct fd_set FD_SET;
typedef struct fd_set *PFD_SET;
typedef struct fd_set FAR *LPFD_SET;
typedef struct hostent HOSTENT;
typedef struct hostent *PHOSTENT;
typedef struct hostent FAR *LPHOSTENT;
typedef struct servent SERVENT;
typedef struct servent *PSERVENT;
typedef struct servent FAR *LPSERVENT;
typedef struct protoent PROTOENT;
typedef struct protoent *PPROTOENT;
typedef struct protoent FAR *LPPROTOENT;
typedef struct timeval TIMEVAL;
typedef struct timeval *PTIMEVAL;
typedef struct timeval FAR *LPTIMEVAL;

#define WSAMAKEASYNCREPLY(buflen,error) MAKELONG(buflen,error)
#define WSAMAKESELECTREPLY(event,error) MAKELONG(event,error)
#define WSAGETASYNCBUFLEN(lParam) LOWORD(lParam)
#define WSAGETASYNCERROR(lParam) HIWORD(lParam)
#define WSAGETSELECTEVENT(lParam) LOWORD(lParam)
#define WSAGETSELECTERROR(lParam) HIWORD(lParam)

#ifdef __cplusplus
}
#endif

#ifdef _NEED_POPPACK
#include <poppack.h>
#endif

/* FIXME :
#if(_WIN32_WINNT >= 0x0501)
#ifdef IPV6STRICT
#include <wsipv6ok.h>
#endif
#endif */

#endif /* !(defined _WINSOCK2API_ || defined _WINSOCKAPI_) */