winsock2.h

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#define	AF_BAN	21
#define AF_ATM	22
#define AF_INET6	23
#define AF_CLUSTER  24
#define AF_12844    25
#define AF_IRDA     26
#define AF_NETDES   28
#if !(defined (__INSIDE_CYGWIN__) || defined (__INSIDE_MSYS__))
#define AF_MAX	29
struct sockaddr {
	u_short sa_family;
	char	sa_data[14];
};

/* Portable IPv6/IPv4 version of sockaddr.  Based on RFC 2553.
   Pad to force 8 byte alignment and maximum size of 128 bytes. */

/*
 * Desired design of maximum size and alignment
 */
#define _SS_MAXSIZE    128
#define _SS_ALIGNSIZE  (sizeof (__int64)) 
/*
 * Definitions used for sockaddr_storage structure paddings design.
 */
#define _SS_PAD1SIZE   (_SS_ALIGNSIZE - sizeof (short))
#define _SS_PAD2SIZE   (_SS_MAXSIZE - (sizeof (short) \
				       + _SS_PAD1SIZE \
				       + _SS_ALIGNSIZE))
struct sockaddr_storage {
    short ss_family;
    char __ss_pad1[_SS_PAD1SIZE];  /* pad to 8 */
    __int64 __ss_align;  	   /* force alignment */
    char __ss_pad2[_SS_PAD2SIZE];  /*  pad to 128 */
};
#endif /* ! (__INSIDE_CYGWIN__ || __INSIDE_MSYS__) */

struct sockproto {
	u_short sp_family;
	u_short sp_protocol;
};
#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
#define PF_MAX	AF_MAX
#define SOL_SOCKET	0xffff
#if ! (defined (__INSIDE_CYGWIN__) || defined (__INSIDE_MSYS__))
#define SOMAXCONN	0x7fffffff /* (5) in WinSock1.1 */
#define MSG_OOB	1
#define MSG_PEEK	2
#define MSG_DONTROUTE	4
#endif  /* ! (__INSIDE_CYGWIN__ || __INSIDE_MSYS__) */
#define MSG_MAXIOVLEN	16
#define MSG_PARTIAL	0x8000
#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)
/* winsock1.1 defines stop at FD_CLOSE (32) */
#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) /* deprecated on WinSock2 */
#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 WSAEDISCON	(WSABASEERR+101)
#define WSASYSNOTREADY	(WSABASEERR+91)
#define WSAVERNOTSUPPORTED	(WSABASEERR+92)
#define WSANOTINITIALISED	(WSABASEERR+93)
#define WSAHOST_NOT_FOUND	(WSABASEERR+1001)
#define WSATRY_AGAIN	(WSABASEERR+1002)
#define WSANO_RECOVERY	(WSABASEERR+1003)
#define WSANO_DATA	(WSABASEERR+1004)

/* WinSock2 specific error codes */
#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)

/* WS QualityofService errors */
#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
#if !(defined (__INSIDE_CYGWIN__) || defined (__INSIDE_MSYS__))
#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 /* ! (__INSIDE_CYGWIN__ || __INSIDE_MSYS__) */
WINSOCK_API_LINKAGE SOCKET PASCAL accept(SOCKET,struct sockaddr*,int*);
WINSOCK_API_LINKAGE int PASCAL bind(SOCKET,const struct sockaddr*,int);
WINSOCK_API_LINKAGE int PASCAL closesocket(SOCKET);
WINSOCK_API_LINKAGE int PASCAL connect(SOCKET,const struct sockaddr*,int);
WINSOCK_API_LINKAGE int PASCAL ioctlsocket(SOCKET,long,u_long *);
WINSOCK_API_LINKAGE int PASCAL getpeername(SOCKET,struct sockaddr*,int*);
WINSOCK_API_LINKAGE int PASCAL getsockname(SOCKET,struct sockaddr*,int*);
WINSOCK_API_LINKAGE int PASCAL getsockopt(SOCKET,int,int,char*,int*);
WINSOCK_API_LINKAGE unsigned long PASCAL inet_addr(const char*);
WINSOCK_API_LINKAGE DECLARE_STDCALL_P(char *) inet_ntoa(struct in_addr);
WINSOCK_API_LINKAGE int PASCAL listen(SOCKET,int);
WINSOCK_API_LINKAGE int PASCAL recv(SOCKET,char*,int,int);
WINSOCK_API_LINKAGE int PASCAL recvfrom(SOCKET,char*,int,int,struct sockaddr*,int*);
WINSOCK_API_LINKAGE int PASCAL send(SOCKET,const char*,int,int);
WINSOCK_API_LINKAGE int PASCAL sendto(SOCKET,const char*,int,int,const struct sockaddr*,int);
WINSOCK_API_LINKAGE int PASCAL setsockopt(SOCKET,int,int,const char*,int);
WINSOCK_API_LINKAGE int PASCAL shutdown(SOCKET,int);
WINSOCK_API_LINKAGE SOCKET PASCAL socket(int,int,int);
WINSOCK_API_LINKAGE DECLARE_STDCALL_P(struct hostent *) gethostbyaddr(const char*,int,int);
WINSOCK_API_LINKAGE DECLARE_STDCALL_P(struct hostent *) gethostbyname(const char*);
WINSOCK_API_LINKAGE DECLARE_STDCALL_P(struct servent *) getservbyport(int,const char*);
WINSOCK_API_LINKAGE DECLARE_STDCALL_P(struct servent *) getservbyname(const char*,const char*);
WINSOCK_API_LINKAGE DECLARE_STDCALL_P(struct protoent *) getprotobynumber(int);
WINSOCK_API_LINKAGE DECLARE_STDCALL_P(struct protoent *) getprotobyname(const char*);
typedef SOCKET (PASCAL * LPFN_ACCEPT)(SOCKET, struct sockaddr*,int *);
typedef int (PASCAL * LPFN_BIND)(SOCKET, const struct sockaddr*,int);
typedef int (PASCAL * LPFN_CLOSESOCKET)(SOCKET);
typedef int (PASCAL * LPFN_CONNECT)(SOCKET, const struct sockaddr*,int);
typedef int (PASCAL * LPFN_IOCTLSOCKET)(SOCKET, long, u_long*);
typedef int	(PASCAL * LPFN_GETPEERNAME)(SOCKET, struct sockaddr*, int*);
typedef int(PASCAL * LPFN_GETSOCKNAME)(SOCKET, struct sockaddr*, int*);
typedef int(PASCAL * LPFN_GETSOCKOPT)(SOCKET, int, int, char*, int*);
typedef u_long(PASCAL * LPFN_HTONL)(u_long);
typedef u_short(PASCAL * LPFN_HTONS)(u_short);
typedef unsigned long(PASCAL * LPFN_INET_ADDR)(const char*);
typedef char*(PASCAL * LPFN_INET_NTOA)(struct in_addr);
typedef int(PASCAL * LPFN_LISTEN)(SOCKET, int);
typedef u_long(PASCAL * LPFN_NTOHL)(u_long);
typedef u_short(PASCAL * LPFN_NTOHS)(u_short);
typedef int(PASCAL * LPFN_RECV)(SOCKET, char*, int, int);
typedef int(PASCAL * LPFN_RECVFROM)(SOCKET, char*, int, int, struct sockaddr*,  int*);
typedef int(PASCAL * LPFN_SELECT)(int, fd_set*, fd_set*, fd_set*, const struct timeval*);
typedef int(PASCAL * LPFN_SEND)(SOCKET, const char*, int, int);
typedef int(PASCAL * LPFN_SENDTO)(SOCKET, const char*, int, int, const struct sockaddr*, int);
typedef int(PASCAL * LPFN_SETSOCKOPT)(SOCKET, int, int, const char*, int);
typedef int(PASCAL * LPFN_SHUTDOWN)(SOCKET, int);
typedef SOCKET(PASCAL * LPFN_SOCKET)(int, int, int);
typedef struct hostent*(PASCAL * LPFN_GETHOSTBYADDR)( const char*, int, int);
typedef struct hostent*(PASCAL * LPFN_GETHOSTBYNAME)( const char*);
typedef int(PASCAL * LPFN_GETHOSTNAME)(char*, int);
typedef struct servent*(PASCAL * LPFN_GETSERVBYPORT)(int, const char*);
typedef struct servent*(PASCAL * LPFN_GETSERVBYNAME)(const char*, const char*);
typedef struct protoent*(PASCAL * LPFN_GETPROTOBYNUMBER)(int);
typedef struct protoent*(PASCAL * LPFN_GETPROTOBYNAME)(const char*);

WINSOCK_API_LINKAGE int PASCAL WSAStartup(WORD,LPWSADATA);
WINSOCK_API_LINKAGE int PASCAL WSACleanup(void);
WINSOCK_API_LINKAGE void PASCAL WSASetLastError(int);
WINSOCK_API_LINKAGE int PASCAL WSAGetLastError(void);
WINSOCK_API_LINKAGE typedef int(PASCAL * LPFN_WSASTARTUP)(WORD, LPWSADATA);
typedef int(PASCAL * LPFN_WSACLEANUP)(void);
typedef void(PASCAL * LPFN_WSASETLASTERROR)(int);
typedef int(PASCAL * LPFN_WSAGETLASTERROR)(void);
/*
 * Pseudo-blocking functions are deprecated in WinSock2
 * spec. Use threads instead.
 */
WINSOCK_API_LINKAGE BOOL PASCAL WSAIsBlocking(void);
WINSOCK_API_LINKAGE int PASCAL WSAUnhookBlockingHook(void);
WINSOCK_API_LINKAGE FARPROC PASCAL WSASetBlockingHook(FARPROC);
WINSOCK_API_LINKAGE int PASCAL WSACancelBlockingCall(void);
typedef BOOL(PASCAL * LPFN_WSAISBLOCKING)(void);
typedef int(PASCAL * LPFN_WSAUNHOOKBLOCKINGHOOK)(void);
typedef FARPROC (PASCAL * LPFN_WSASETBLOCKINGHOOK)(FARPROC);
typedef int(PASCAL * LPFN_WSACANCELBLOCKINGCALL)(void);

WINSOCK_API_LINKAGE HANDLE PASCAL WSAAsyncGetServByName(HWND,u_int,const char*,const char*,char*,int);
WINSOCK_API_LINKAGE HANDLE PASCAL WSAAsyncGetServByPort(HWND,u_int,int,const char*,char*,int);
WINSOCK_API_LINKAGE HANDLE PASCAL WSAAsyncGetProtoByName(HWND,u_int,const char*,char*,int);
WINSOCK_API_LINKAGE HANDLE PASCAL WSAAsyncGetProtoByNumber(HWND,u_int,int,char*,int);
WINSOCK_API_LINKAGE HANDLE PASCAL WSAAsyncGetHostByName(HWND,u_int,const char*,char*,int);
WINSOCK_API_LINKAGE HANDLE PASCAL WSAAsyncGetHostByAddr(HWND,u_int,const char*,int,int,char*,int);
WINSOCK_API_LINKAGE int PASCAL WSACancelAsyncRequest(HANDLE);
WINSOCK_API_LINKAGE int PASCAL WSAAsyncSelect(SOCKET,HWND,u_int,long);
typedef HANDLE(PASCAL * LPFN_WSAASYNCGETSERVBYNAME)(HWND, u_int, const char *, const char *, char *, int);
typedef HANDLE(PASCAL * LPFN_WSAASYNCGETSERVBYPORT)(HWND, u_int, int, const char *, char *, int);
typedef HANDLE(PASCAL * LPFN_WSAASYNCGETPROTOBYNAME)(HWND, u_int, const char*, char*, int);
typedef HANDLE(PASCAL * LPFN_WSAASYNCGETPROTOBYNUMBER)(HWND, u_int, int, char*, int);
typedef HANDLE(PASCAL * LPFN_WSAASYNCGETHOSTBYADDR)(HWND, u_int, const char*, int, int, char*, int);
typedef int(PASCAL * LPFN_WSACANCELASYNCREQUEST)(HANDLE);
typedef int(PASCAL * LPFN_WSAASYNCSELECT)(SOCKET, HWND, u_int, long);
#if ! (defined (__INSIDE_CYGWIN__) || defined (__INSIDE_MSYS__))
WINSOCK_API_LINKAGE u_long PASCAL htonl(u_long);
WINSOCK_API_LINKAGE u_long PASCAL ntohl(u_long);
WINSOCK_API_LINKAGE u_short PASCAL htons(u_short);
WINSOCK_API_LINKAGE u_short PASCAL ntohs(u_short);
WINSOCK_API_LINKAGE int PASCAL select(int nfds,fd_set*,fd_set*,fd_set*,const struct timeval*);
#endif /* ! (__INSIDE_CYGWIN__ || __INSIDE_MSYS__) */

int PASCAL gethostname(char*,int);

#define WSAMAKEASYNCREPLY(b,e)	MAKELONG(b,e)
#define WSAMAKESELECTREPLY(e,error)	MAKELONG(e,error)
#define WSAGETASYNCBUFLEN(l)	LOWORD(l)
#define WSAGETASYNCERROR(l)	HIWORD(l)
#define WSAGETSELECTEVENT(l)	LOWORD(l)
#define WSAGETSELECTERROR(l)	HIWORD(l)

typedef struct sockaddr SOCKADDR;
typedef struct sockaddr *PSOCKADDR;
typedef struct sockaddr *LPSOCKADDR;
typedef struct sockaddr_storage SOCKADDR_STORAGE, *PSOCKADDR_STORAGE;
typedef struct sockaddr_in SOCKADDR_IN;
typedef struct sockaddr_in *PSOCKADDR_IN;
typedef struct sockaddr_in *LPSOCKADDR_IN;
typedef struct linger LINGER;
typedef struct linger *PLINGER;