20CN网络安全小组论坛 - 编程破解 - WindowsSockets规范及应用(第七章WindowsSockets2扩展库函数简参2)

论坛: 编程破解标题: WindowsSockets规范及应用(第七章WindowsSockets2扩展库函数简参2)

作者: xiaoxingchi [xiaoxingchi]

论坛用户

/* Socket function prototypes */

#ifdef __cplusplus
extern "C" {
#endif

SOCKET PASCAL FAR accept (SOCKET s, struct sockaddr FAR *addr,
int FAR *addrlen);

int PASCAL FAR bind (SOCKET s, const struct sockaddr FAR *addr, int namelen);

int PASCAL FAR closesocket (SOCKET s);

int PASCAL FAR connect (SOCKET s, const struct sockaddr FAR *name, int namelen);

int PASCAL FAR ioctlsocket (SOCKET s, long cmd, u_long FAR *argp);

int PASCAL FAR getpeername (SOCKET s, struct sockaddr FAR *name,
int FAR * namelen);

int PASCAL FAR getsockname (SOCKET s, struct sockaddr FAR *name,
int FAR * namelen);

int PASCAL FAR getsockopt (SOCKET s, int level, int optname,
char FAR * optval, int FAR *optlen);

u_long PASCAL FAR htonl (u_long hostlong);

u_short PASCAL FAR htons (u_short hostshort);

unsigned long PASCAL FAR inet_addr (const char FAR * cp);

char FAR * PASCAL FAR inet_ntoa (struct in_addr in);

int PASCAL FAR listen (SOCKET s, int backlog);

u_long PASCAL FAR ntohl (u_long netlong);

u_short PASCAL FAR ntohs (u_short netshort);

int PASCAL FAR recv (SOCKET s, char FAR * buf, int len, int flags);

int PASCAL FAR recvfrom (SOCKET s, char FAR * buf, int len, int flags,
struct sockaddr FAR *from, int FAR * fromlen);

int PASCAL FAR select (int nfds, fd_set FAR *readfds, fd_set FAR *writefds,
fd_set FAR *exceptfds, const struct timeval FAR *timeout);

int PASCAL FAR send (SOCKET s, const char FAR * buf, int len, int flags);

int PASCAL FAR sendto (SOCKET s, const char FAR * buf, int len, int flags,
const struct sockaddr FAR *to, int tolen);

int PASCAL FAR setsockopt (SOCKET s, int level, int optname,
const char FAR * optval, int optlen);

int PASCAL FAR shutdown (SOCKET s, int how);

SOCKET PASCAL FAR socket (int af, int type, int protocol);

/* Database function prototypes */

struct hostent FAR * PASCAL FAR gethostbyaddr(const char FAR * addr,
int len, int type);

struct hostent FAR * PASCAL FAR gethostbyname(const char FAR * name);

int PASCAL FAR gethostname (char FAR * name, int namelen);

struct servent FAR * PASCAL FAR getservbyport(int port, const char FAR * proto);

struct servent FAR * PASCAL FAR getservbyname(const char FAR * name,
const char FAR * proto);

struct protoent FAR * PASCAL FAR getprotobynumber(int proto);

struct protoent FAR * PASCAL FAR getprotobyname(const char FAR * name);

/* Microsoft Windows Extension function prototypes */

int PASCAL FAR WSAStartup(WORD wVersionRequired, LPWSADATA lpWSAData);

int PASCAL FAR WSACleanup(void);

void PASCAL FAR WSASetLastError(int iError);

int PASCAL FAR WSAGetLastError(void);

BOOL PASCAL FAR WSAIsBlocking(void);

int PASCAL FAR WSAUnhookBlockingHook(void);

FARPROC PASCAL FAR WSASetBlockingHook(FARPROC lpBlockFunc);

int PASCAL FAR WSACancelBlockingCall(void);

HANDLE PASCAL FAR WSAAsyncGetServByName(HWND hWnd, u_int wMsg,
const char FAR * name,
const char FAR * proto,
char FAR * buf, int buflen);

HANDLE PASCAL FAR WSAAsyncGetServByPort(HWND hWnd, u_int wMsg, int port,
const char FAR * proto, char FAR * buf,
int buflen);

HANDLE PASCAL FAR WSAAsyncGetProtoByName(HWND hWnd, u_int wMsg,
const char FAR * name, char FAR * buf,
int buflen);

HANDLE PASCAL FAR WSAAsyncGetProtoByNumber(HWND hWnd, u_int wMsg,
int number, char FAR * buf,
int buflen);

HANDLE PASCAL FAR WSAAsyncGetHostByName(HWND hWnd, u_int wMsg,
const char FAR * name, char FAR * buf,
int buflen);

HANDLE PASCAL FAR WSAAsyncGetHostByAddr(HWND hWnd, u_int wMsg,
const char FAR * addr, int len, int type,
const char FAR * buf, int buflen);

int PASCAL FAR WSACancelAsyncRequest(HANDLE hAsyncTaskHandle);

int PASCAL FAR WSAAsyncSelect(SOCKET s, HWND hWnd, u_int wMsg,
long lEvent);

#ifdef __cplusplus
}
#endif

/* Microsoft Windows Extended data types */
typedef struct sockaddr SOCKADDR;
typedef struct sockaddr *PSOCKADDR;
typedef struct sockaddr FAR *LPSOCKADDR;

typedef struct sockaddr_in SOCKADDR_IN;
typedef struct sockaddr_in *PSOCKADDR_IN;
typedef struct sockaddr_in FAR *LPSOCKADDR_IN;

typedef struct linger LINGER;
typedef struct linger *PLINGER;
typedef struct linger FAR *LPLINGER;

typedef struct in_addr IN_ADDR;
typedef struct in_addr *PIN_ADDR;
typedef struct in_addr FAR *LPIN_ADDR;

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;

/*
* Windows message parameter composition and decomposition
* macros.
*
* WSAMAKEASYNCREPLY is intended for use by the Windows Sockets implementation
* when constructing the response to a WSAAsyncGetXByY() routine.
*/
#define WSAMAKEASYNCREPLY(buflen,error) MAKELONG(buflen,error)
/*
* WSAMAKESELECTREPLY is intended for use by the Windows Sockets implementation
* when constructing the response to WSAAsyncSelect().
*/
#define WSAMAKESELECTREPLY(event,error) MAKELONG(event,error)
/*
* WSAGETASYNCBUFLEN is intended for use by the Windows Sockets application
* to extract the buffer length from the lParam in the response
* to a WSAGetXByY().
*/
#define WSAGETASYNCBUFLEN(lParam) LOWORD(lParam)
/*
* WSAGETASYNCERROR is intended for use by the Windows Sockets application
* to extract the error code from the lParam in the response
* to a WSAGetXByY().
*/
#define WSAGETASYNCERROR(lParam) HIWORD(lParam)
/*
* WSAGETSELECTEVENT is intended for use by the Windows Sockets application
* to extract the event code from the lParam in the response
* to a WSAAsyncSelect().
*/
#define WSAGETSELECTEVENT(lParam) LOWORD(lParam)
/*
* WSAGETSELECTERROR is intended for use by the Windows Sockets application
* to extract the error code from the lParam in the response
* to a WSAAsyncSelect().
*/
#define WSAGETSELECTERROR(lParam) HIWORD(lParam)

#endif /* _WINSOCKAPI_ */

附录B.2 Windows Sockets 2头文件

/* Winsock2.h－definitions to be used with the WinSock 2.0
DLL and
* WinSock 2.0 applications.
*
* This header file corresponds to version 2.0 of the
WinSock specification.
*
* This file includes parts which are Copyright (c) 1982-
1986 Regents
* of the University of California. All rights reserved.
The
* Berkeley Software License Agreement specifies the terms
and
* conditions for redistribution.
*/

#ifndef _WINSOCK2API_
#define _WINSOCK2API_

/*
* Pull in WINDOWS.H if necessary
*/
#ifndef _INC_WINDOWS
#include <windows.h>
#endif /* _INC_WINDOWS */

/*
* Basic system type definitions, taken from the BSD file
sys/types.h.
*/
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned int u_int;
typedef unsigned long u_long;

/*
* The new type to be used in all
* instances which refer to sockets.
*/
typedef u_int SOCKET;

/*
* Select uses arrays of SOCKETs. These macros manipulate
such
* arrays. FD_SETSIZE may be defined by the user before
including
* this file, but the default here should be >= 64.
*
* CAVEAT IMPLEMENTOR and USER: THESE MACROS AND TYPES MUST
BE
* INCLUDED IN WINSOCK.H EXACTLY AS SHOWN HERE.
*/
#ifndef FD_SETSIZE
#define FD_SETSIZE 64
#endif /* FD_SETSIZE */

typedef struct fd_set {
u_short fd_count; /* how many are SET?
*/
SOCKET fd_array[FD_SETSIZE]; /* an array of
SOCKETs */
} fd_set;

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

#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)

#define FD_SET(fd, set) do { \
if (((fd_set FAR *)(set))->fd_count < FD_SETSIZE) \
((fd_set FAR *)(set))->fd_array[((fd_set FAR
*)(set))->fd_count++]=fd;\
} while(0)

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

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

/*
* Structure used in select() call, taken from the BSD file
sys/time.h.
*/
struct timeval {
long tv_sec; /* seconds */
long tv_usec; /* and microseconds */
};

/*
* Operations on timevals.
*
* NB: timercmp does not work for >= or <=.
*/
#define timerisset(tvp) ((tvp)->tv_sec || (tvp)-
>tv_usec)
#define timercmp(tvp, uvp, cmp) \
((tvp)->tv_sec cmp (uvp)->tv_sec || \
(tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec
cmp (uvp)->tv_usec)
#define timerclear(tvp) (tvp)->tv_sec = (tvp)-
>tv_usec = 0

/*
* Commands for ioctlsocket(), taken from the BSD file
fcntl.h.
*
*
* Ioctl's have the command encoded in the lower word,
* and the size of any in or out parameters in the upper
* word. The high 2 bits of the upper word are used
* to encode the in/out status of the parameter; for now
* we restrict parameters to at most 128 bytes.
*/
#define IOCPARM_MASK 0x7f /* parameters must
be < 128 bytes */
#define IOC_VOID 0x20000000 /* no parameters */
#define IOC_OUT 0x40000000 /* copy out
parameters */
#define IOC_IN 0x80000000 /* copy in
parameters */
#define IOC_INOUT (IOC_IN|IOC_OUT)
/* 0x20000000
distinguishes new &
old ioctl's */
#define _IO(x,y) (IOC_VOID|(x<<8)|y)

#define _IOR(x,y,t)
(IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)

#define _IOW(x,y,t)
(IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|(x<<8)|y)

#define FIONREAD _IOR('f', 127, u_long) /* get # bytes to
read */
#define FIONBIO _IOW('f', 126, u_long) /* set/clear non-
blocking i/o */
#define FIOASYNC _IOW('f', 125, u_long) /* set/clear
async i/o */

/* Socket I/O Controls */
#define SIOCSHIWAT _IOW('s', 0, u_long) /* set high
watermark */
#define SIOCGHIWAT _IOR('s', 1, u_long) /* get high
watermark */
#define SIOCSLOWAT _IOW('s', 2, u_long) /* set low
watermark */
#define SIOCGLOWAT _IOR('s', 3, u_long) /* get low
watermark */
#define SIOCATMARK _IOR('s', 7, u_long) /* at oob mark?
*/

/*
* Structures returned by network data base library, taken
from the
* BSD file netdb.h. All addresses are supplied in host
order, and
* returned in network order (suitable for use in system
calls).
*/

struct hostent {
char FAR * h_name; /* official name of
host */
char FAR * FAR * h_aliases; /* alias list */
short h_addrtype; /* host address type
*/
short h_length; /* length of address
*/
char FAR * FAR * h_addr_list; /* list of
addresses */
#define h_addr h_addr_list[0] /* address, for
backward compat */
};

/*
* It is assumed here that a network number
* fits in 32 bits.
*/
struct netent {
char FAR * n_name; /* official name of
net */
char FAR * FAR * n_aliases; /* alias list */
short n_addrtype; /* net address type
*/
u_long n_net; /* network # */
};

struct servent {
char FAR * s_name; /* official service
name */
char FAR * FAR * s_aliases; /* alias list */
short s_port; /* port # */
char FAR * s_proto; /* protocol to use
*/
};

struct protoent {
char FAR * p_name; /* official protocol
name */
char FAR * FAR * p_aliases; /* alias list */
short p_proto; /* protocol # */
};

/*
* Constants and structures defined by the internet system,
* Per RFC 790, September 1981, taken from the BSD file
netinet/in.h.
*/

/*
* Protocols
*/
#define IPPROTO_IP 0 /* dummy for
IP */
#define IPPROTO_ICMP 1 /* control
message protocol */
#define IPPROTO_IGMP 2 /* internet
group management protocol */
#define IPPROTO_GGP 3 /* gateway^2
(deprecated) */
#define IPPROTO_TCP 6 /* tcp */
#define IPPROTO_PUP 12 /* pup */
#define IPPROTO_UDP 17 /* user
datagram protocol */
#define IPPROTO_IDP 22 /* xns idp
*/
#define IPPROTO_ND 77 /*
UNOFFICIAL net disk proto */

#define IPPROTO_RAW 255 /* raw IP
packet */
#define IPPROTO_MAX 256

/*
* Port/socket numbers: network standard functions
*/
#define IPPORT_ECHO 7
#define IPPORT_DISCARD 9
#define IPPORT_SYSTAT 11
#define IPPORT_DAYTIME 13
#define IPPORT_NETSTAT 15
#define IPPORT_FTP 21
#define IPPORT_TELNET 23
#define IPPORT_SMTP 25
#define IPPORT_TIMESERVER 37
#define IPPORT_NAMESERVER 42
#define IPPORT_WHOIS 43
#define IPPORT_MTP 57

/*
* Port/socket numbers: host specific functions
*/
#define IPPORT_TFTP 69
#define IPPORT_RJE 77
#define IPPORT_FINGER 79
#define IPPORT_TTYLINK 87
#define IPPORT_SUPDUP 95

/*
* UNIX TCP sockets
*/
#define IPPORT_EXECSERVER 512
#define IPPORT_LOGINSERVER 513
#define IPPORT_CMDSERVER 514
#define IPPORT_EFSSERVER 520

/*
* UNIX UDP sockets
*/
#define IPPORT_BIFFUDP 512
#define IPPORT_WHOSERVER 513
#define IPPORT_ROUTESERVER 520
/* 520+1 also used
*/

/*
* Ports < IPPORT_RESERVED are reserved for
* privileged processes (e.g. root).
*/
#define IPPORT_RESERVED 1024

/*
* Link numbers
*/
#define IMPLINK_IP 155
#define IMPLINK_LOWEXPER 156
#define IMPLINK_HIGHEXPER 158

/*
* Internet address (old style... should be updated)
*/
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;
#define s_addr S_un.S_addr
/* can be used for most tcp
& ip code */
#define s_host S_un.S_un_b.s_b2
/* host on imp */
#define s_net S_un.S_un_b.s_b1
/* network */
#define s_imp S_un.S_un_w.s_w2
/* imp */
#define s_impno S_un.S_un_b.s_b4
/* imp # */
#define s_lh S_un.S_un_b.s_b3
/* logical host */
};

/*
* Definitions of bits in internet address integers.
* On subnets, the decomposition of addresses to host and
net parts
* is done according to subnet mask, not the masks here.
*/
#define IN_CLASSA(i) (((long)(i) & 0x80000000) ==
0)
#define IN_CLASSA_NET 0xff000000
#define IN_CLASSA_NSHIFT 24
#define IN_CLASSA_HOST 0x00ffffff
#define IN_CLASSA_MAX 128

#define IN_CLASSB(i) (((long)(i) & 0xc0000000) ==
0x80000000)
#define IN_CLASSB_NET 0xffff0000
#define IN_CLASSB_NSHIFT 16
#define IN_CLASSB_HOST 0x0000ffff
#define IN_CLASSB_MAX 65536

#define IN_CLASSC(i) (((long)(i) & 0xc0000000) ==
0xc0000000)
#define IN_CLASSC_NET 0xffffff00
#define IN_CLASSC_NSHIFT 8
#define IN_CLASSC_HOST 0x000000ff

#define INADDR_ANY (u_long)0x00000000
#define INADDR_LOOPBACK 0x7f000001
#define INADDR_BROADCAST (u_long)0xffffffff
#define INADDR_NONE 0xffffffff

/*
* Socket address, internet style.
*/
struct sockaddr_in {
short sin_family;
u_short sin_port;
struct in_addr sin_addr;
char sin_zero[8];
};

#define WSADESCRIPTION_LEN 256
#define WSASYS_STATUS_LEN 128

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

typedef WSADATA FAR *LPWSADATA;

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

/*
* Options for use with [gs]etsockopt at the IP level.
*/
#define IP_OPTIONS 1 /* set/get IP per-
packet options */

/*
* Definitions related to sockets: types, address families,
options,
* taken from the BSD file sys/socket.h.
*/

/*
* This is used instead of -1, since the
* SOCKET type is unsigned.
*/
#define INVALID_SOCKET (SOCKET)(~0)
#define SOCKET_ERROR (-1)

/*
* Types
*/
#define SOCK_STREAM 1 /* stream socket */
#define SOCK_DGRAM 2 /* datagram socket
*/
#define SOCK_RAW 3 /* raw-protocol
interface */
#define SOCK_RDM 4 /* reliably-
delivered message */
#define SOCK_SEQPACKET 5 /* sequenced packet
stream */

/*
* Option flags per-socket.
*/
#define SO_DEBUG 0x0001 /* turn on debugging
info recording */
#define SO_ACCEPTCONN 0x0002 /* socket has had
listen() */
#define SO_REUSEADDR 0x0004 /* allow local
address reuse */
#define SO_KEEPALIVE 0x0008 /* keep connections
alive */
#define SO_DONTROUTE 0x0010 /* just use
interface addresses */
#define SO_BROADCAST 0x0020 /* permit sending of
broadcast msgs */
#define SO_USELOOPBACK 0x0040 /* bypass hardware
when possible */
#define SO_LINGER 0x0080 /* linger on close
if data present */
#define SO_OOBINLINE 0x0100 /* leave received
OOB data in line */

#define SO_DONTLINGER (int)(~SO_LINGER)

/*
* Additional options.
*/
#define SO_SNDBUF 0x1001 /* send buffer size
*/
#define SO_RCVBUF 0x1002 /* receive buffer
size */
#define SO_SNDLOWAT 0x1003 /* send low-water
mark */
#define SO_RCVLOWAT 0x1004 /* receive low-water
mark */
#define SO_SNDTIMEO 0x1005 /* send timeout */
#define SO_RCVTIMEO 0x1006 /* receive timeout
*/
#define SO_ERROR 0x1007 /* get error status
and clear */
#define SO_TYPE 0x1008 /* get socket type
*/

/*
* WinSock 2.0 extension － new options
*/
#define SO_GROUP_ID 0x2001 /* ID of a socket
group */
#define SO_GROUP_PRIORITY 0x2002 /* the relative
priority within a group */
#define SO_MAX_MSG_SIZE 0x2003 /* maximum message
size */
#define SO_PROTOCOL_INFO 0x2004 /* PROTOCOL_INFO
structure */
#define PVD_CONFIG 0x3001 /* configuration
info for service provider */

/*
* TCP options.
*/
#define TCP_NODELAY 0x0001

/*
* Address families.
*/
#define AF_UNSPEC 0 /* unspecified */
#define AF_UNIX 1 /* local to host
(pipes, portals) */
#define AF_INET 2 /* internetwork:
UDP, TCP, etc. */
#define AF_IMPLINK 3 /* arpanet imp
addresses */
#define AF_PUP 4 /* pup protocols:
e.g. BSP */
#define AF_CHAOS 5 /* mit CHAOS
protocols */
#define AF_NS 6 /* XEROX NS
protocols */
#define AF_IPX AF_NS /* IPX protocols:
IPX, SPX, etc. */
#define AF_ISO 7 /* ISO protocols */
#define AF_OSI AF_ISO /* OSI is ISO */
#define AF_ECMA 8 /* european computer
manufacturers */
#define AF_DATAKIT 9 /* datakit protocols
*/
#define AF_CCITT 10 /* CCITT protocols,
X.25 etc */
#define AF_SNA 11 /* IBM SNA */
#define AF_DECnet 12 /* DECnet */
#define AF_DLI 13 /* Direct data link
interface */
#define AF_LAT 14 /* LAT */
#define AF_HYLINK 15 /* NSC Hyperchannel
*/
#define AF_APPLETALK 16 /* AppleTalk */
#define AF_NETBIOS 17 /* NetBios-style
addresses */
#define AF_FIREFOX 18 /* Protocols from
Firefox */
#define AF_VOICEVIEW 19 /* VoiceView */

#define AF_MAX 20

/*
* Structure used by kernel to store most
* addresses.
*/
struct sockaddr {
u_short sa_family; /* address family */
char sa_data[14]; /* up to 14 bytes of
direct address */
};

/*
* Structure used by kernel to pass protocol
* information in raw sockets.
*/
struct sockproto {
u_short sp_family; /* address family */
u_short sp_protocol; /* protocol */
};

/*
* Protocol families, same as address families for now.
*/
#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_FIREFOX AF_FIREFOX
#define PF_VOICEVIEW AF_VOICEVIEW

#define PF_MAX AF_MAX

/*
* Structure used for manipulating linger option.
*/
struct linger {
u_short l_onoff; /* option on/off */
u_short l_linger; /* linger time */
};

/*
* Level number for (get/set)sockopt() to apply to socket
itself.
*/
#define SOL_SOCKET 0xffff /* options for
socket level */

/*
* Maximum queue length specifiable by listen.
*/
#define SOMAXCONN 5

#define MSG_OOB 0x1 /* process out-of-
band data */
#define MSG_PEEK 0x2 /* peek at incoming
message */
#define MSG_DONTROUTE 0x4 /* send without
using routing tables */

#define MSG_MAXIOVLEN 16

/*
* Define constant based on rfc883, used by gethostbyxxxx()
calls.
*/
#define MAXGETHOSTSTRUCT 1024

/*
* Define flags to be used with the WSAAsyncSelect() and
WSAEventSelect() call.
*/
#define FD_READ 0x01
#define FD_WRITE 0x02
#define FD_OOB 0x04
#define FD_ACCEPT 0x08
#define FD_CONNECT 0x10
#define FD_CLOSE 0x20

/*
* WinSock 2.0 extension － new flags for WSAAsyncSelect()
and WSAEventSelect()
*/
#define FD_QOS 0x40
#define FD_GROUP_QOS 0x80

/*
* All Windows Sockets error constants are biased by
WSABASEERR from
* the "normal"
*/
#define WSABASEERR 10000
/*
* Windows Sockets definitions of regular Microsoft C error
constants
*/
#define WSAEINTR (WSABASEERR+4)
#define WSAEBADF (WSABASEERR+9)
#define WSAEACCES (WSABASEERR+13)
#define WSAEFAULT (WSABASEERR+14)
#define WSAEINVAL (WSABASEERR+22)
#define WSAEMFILE (WSABASEERR+24)

/*
* Windows Sockets definitions of regular Berkeley error
constants
*/
#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)

/*
* Extended Windows Sockets error constant definitions
*/
#define WSASYSNOTREADY (WSABASEERR+91)
#define WSAVERNOTSUPPORTED (WSABASEERR+92)
#define WSANOTINITIALISED (WSABASEERR+93)

/*
* Error return codes from gethostbyname() and
gethostbyaddr()
* (when using the resolver). Note that these errors are
* retrieved via WSAGetLastError() and must therefore follow
* the rules for avoiding clashes with error numbers from
* specific implementations or language run-time systems.
* For this reason the codes are based at WSABASEERR+1001.
* Note also that [WSA]NO_ADDRESS is defined only for
* compatibility purposes.
*/

#define h_errno WSAGetLastError()

/* Authoritative Answer: Host not found */
#define WSAHOST_NOT_FOUND (WSABASEERR+1001)
#define HOST_NOT_FOUND WSAHOST_NOT_FOUND

/* Non-Authoritative: Host not found, or SERVERFAIL */
#define WSATRY_AGAIN (WSABASEERR+1002)
#define TRY_AGAIN WSATRY_AGAIN

/* Non-recoverable errors, FORMERR, REFUSED, NOTIMP */
#define WSANO_RECOVERY (WSABASEERR+1003)
#define NO_RECOVERY WSANO_RECOVERY

/* Valid name, no data record of requested type */
#define WSANO_DATA (WSABASEERR+1004)
#define NO_DATA WSANO_DATA

/* no address, look for MX record */
#define WSANO_ADDRESS WSANO_DATA
#define NO_ADDRESS WSANO_ADDRESS

/*
* Windows Sockets errors redefined as regular Berkeley
error constants
*/
#define EWOULDBLOCK WSAEWOULDBLOCK
#define EINPROGRESS WSAEINPROGRESS
#define EALREADY WSAEALREADY
#define ENOTSOCK WSAENOTSOCK
#define EDESTADDRREQ WSAEDESTADDRREQ
#define EMSGSIZE WSAEMSGSIZE
#define EPROTOTYPE WSAEPROTOTYPE
#define ENOPROTOOPT WSAENOPROTOOPT
#define EPROTONOSUPPORT WSAEPROTONOSUPPORT
#define ESOCKTNOSUPPORT WSAESOCKTNOSUPPORT
#define EOPNOTSUPP WSAEOPNOTSUPP
#define EPFNOSUPPORT WSAEPFNOSUPPORT
#define EAFNOSUPPORT WSAEAFNOSUPPORT
#define EADDRINUSE WSAEADDRINUSE
#define EADDRNOTAVAIL WSAEADDRNOTAVAIL
#define ENETDOWN WSAENETDOWN
#define ENETUNREACH WSAENETUNREACH
#define ENETRESET WSAENETRESET
#define ECONNABORTED WSAECONNABORTED
#define ECONNRESET WSAECONNRESET
#define ENOBUFS WSAENOBUFS
#define EISCONN WSAEISCONN
#define ENOTCONN WSAENOTCONN
#define ESHUTDOWN WSAESHUTDOWN
#define ETOOMANYREFS WSAETOOMANYREFS
#define ETIMEDOUT WSAETIMEDOUT
#define ECONNREFUSED WSAECONNREFUSED
#define ELOOP WSAELOOP
#define ENAMETOOLONG WSAENAMETOOLONG
#define EHOSTDOWN WSAEHOSTDOWN
#define EHOSTUNREACH WSAEHOSTUNREACH
#define ENOTEMPTY WSAENOTEMPTY
#define EPROCLIM WSAEPROCLIM
#define EUSERS WSAEUSERS
#define EDQUOT WSAEDQUOT
#define ESTALE WSAESTALE
#define EREMOTE WSAEREMOTE

/*
* WinSock 2.0 extension － new error codes and type
definition
*/

#ifdef WIN32

#define WSAAPI FAR PASCAL
#define WSATASK HANDLE
#define WSAEVENT HANDLE
#define LPWSAEVENT LPHANDLE
#define WSAOVERLAPPED OVERLAPPED
#define LPWSAOVERLAPPED LPOVERLAPPED

#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 WSAEDISCON (WSABASEERR + 94)

#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
#define WSATASK HTASK
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 WSAEDISCON (WSABASEERR + 94)

#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

/*
* WinSock 2.0 extension － WSABUF and QOS struct
*/

typedef struct _WSABUF {
int len; // the length of the buffer
char FAR * buf; // the pointer to the buffer
} WSABUF, FAR * LPWSABUF;

typedef enum
{
BestEffortService,
PredictiveService,
GuaranteedService
} GUARANTEE;

typedef long int32;

typedef struct _flowspec
{
int32 TokenRate; // In Bytes/sec
int32 TokenBucketSize; // In Bytes
int32 PeakBandwidth; // In Bytes/sec
int32 Latency; // In microseconds
int32 DelayVariation; // In microseconds
GUARANTEE LevelOfGuarantee; // Guaranteed,
Predictive or Best Effort
int32 CostOfCall; // Reserved for
future use, must be set to 0 now
int32 NetworkAvailability; // read-only: 1 if
accessible, 0 if not
} FLOWSPEC, FAR * LPFLOWSPEC;

typedef struct _QualityOfService
{
WSABUF SendingFlowspec; // the flow spec
for data sending
WSABUF ReceivingFlowspec; // the flow spec
for data receiving
} QOS, FAR * LPQOS;

/*
* WinSock 2.0 extension － manifest constants for return
values of the condition function
*/
#define CF_ACCEPT 0x0000
#define CF_REJECT 0x0001
#define CF_DEFER 0x0002

/*
* WinSock 2.0 extension － manifest constants for
shutdown()
*/
#define SD_RECEIVE 0x00
#define SD_SEND 0x01
#define SD_BOTH 0x02

/*
* WinSock 2.0 extension － data type and manifest constants
for socket groups
*/
typedef unsigned int GROUP;

#define SG_UNCONSTRAINED_GROUP 0x01
#define SG_CONSTRAINED_GROUP 0x02

/*
* WinSock 2.0 extension － data type for
WSAEnumNetworkEvents()
*/
typedef struct _WSANETWORKEVENTS {
long lNetworkEvent,
int iErrorCode
} WSANETWORKEVENTS, FAR * LPWSANETWORKEVENTS;

/*
* WinSock 2.0 extension － PROTOCOL_INFO structure and
associated manifest constants
*/
typedef struct _PROTOCOL_INFO {
DWORD dwServiceFlags1;
DWORD dwServiceFlags2;
DWORD dwServiceFlags3;
DWORD dwServiceFlags4;
int iProviderID;
int iVersion;
int iAddressFamily;
int iMaxSockAddr;
int iMinSockAddr;
int iSocketType;
int iProtocol;
int iNetworkByteOrder;
int iSecurityScheme;
BOOL bMultiple;
BOOL bFirst;
DWORD dwMessageSize;
LPSTR lpProtocol;
} PROTOCOL_INFO, FAR * LPPROTOCOL_INFO;

#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_SUPPORTS_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

/*
* WinSock 2.0 extension － manifest constants for
WSAJoinLeaf()
*/
#define JL_SENDER_ONLY 0x01
#define JL_RECEIVER_ONLY 0x02
#define JL_BOTH 0x04

/*
* WinSock 2.0 extension － manifest constants for
WSASocket()
*/
#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

/* Socket function prototypes */

#ifdef __cplusplus
extern "C" {
#endif

SOCKET PASCAL FAR accept (SOCKET s, struct sockaddr FAR
*addr,
int FAR *addrlen);

int PASCAL FAR bind (SOCKET s, const struct sockaddr FAR
*addr, int namelen);

int PASCAL FAR closesocket (SOCKET s);

int PASCAL FAR connect (SOCKET s, const struct sockaddr FAR
*name, int namelen);

int PASCAL FAR ioctlsocket (SOCKET s, long cmd, u_long FAR
*argp);

int PASCAL FAR getpeername (SOCKET s, struct sockaddr FAR
*name,
int FAR * namelen);

int PASCAL FAR getsockname (SOCKET s, struct sockaddr FAR
*name,
int FAR * namelen);

int PASCAL FAR getsockopt (SOCKET s, int level, int optname,
char FAR * optval, int FAR
*optlen);

u_long PASCAL FAR htonl (u_long hostlong);

u_short PASCAL FAR htons (u_short hostshort);

unsigned long PASCAL FAR inet_addr (const char FAR * cp);

char FAR * PASCAL FAR inet_ntoa (struct in_addr in);

int PASCAL FAR listen (SOCKET s, int backlog);

u_long PASCAL FAR ntohl (u_long netlong);

u_short PASCAL FAR ntohs (u_short netshort);

int PASCAL FAR recv (SOCKET s, char FAR * buf, int len, int
flags);

int PASCAL FAR recvfrom (SOCKET s, char FAR * buf, int len,
int flags,
struct sockaddr FAR *from, int FAR
* fromlen);

int PASCAL FAR select (int nfds, fd_set FAR *readfds, fd_set
FAR *writefds,
fd_set FAR *exceptfds, const struct
timeval FAR *timeout);

int PASCAL FAR send (SOCKET s, const char FAR * buf, int
len, int flags);

int PASCAL FAR sendto (SOCKET s, const char FAR * buf, int
len, int flags,
const struct sockaddr FAR *to, int
tolen);

int PASCAL FAR setsockopt (SOCKET s, int level, int optname,
const char FAR * optval, int
optlen);

int PASCAL FAR shutdown (SOCKET s, int how);

SOCKET PASCAL FAR socket (int af, int type, int protocol);

/* Database function prototypes */

struct hostent FAR * PASCAL FAR gethostbyaddr(const char FAR
* addr,
int len, int
type);

struct hostent FAR * PASCAL FAR gethostbyname(const char FAR
* name);

int PASCAL FAR gethostname (char FAR * name, int namelen);

struct servent FAR * PASCAL FAR getservbyport(int port,
const char FAR * proto);

struct servent FAR * PASCAL FAR getservbyname(const char FAR
* name,
const char FAR
* proto);

struct protoent FAR * PASCAL FAR getprotobynumber(int
proto);

struct protoent FAR * PASCAL FAR getprotobyname(const char
FAR * name);

/* Microsoft Windows Extension function prototypes */

int PASCAL FAR WSAStartup(WORD wVersionRequired, LPWSADATA
lpWSAData);

int PASCAL FAR WSACleanup(void);

void PASCAL FAR WSASetLastError(int iError);

int PASCAL FAR WSAGetLastError(void);

BOOL PASCAL FAR WSAIsBlocking(void);

int PASCAL FAR WSAUnhookBlockingHook(void);

FARPROC PASCAL FAR WSASetBlockingHook(FARPROC lpBlockFunc);

int PASCAL FAR WSACancelBlockingCall(void);

HANDLE PASCAL FAR WSAAsyncGetServByName(HWND hWnd, u_int
wMsg,
const char FAR *
name,
const char FAR *
proto,
char FAR * buf, int
buflen);

HANDLE PASCAL FAR WSAAsyncGetServByPort(HWND hWnd, u_int
wMsg, int port,
const char FAR *
proto, char FAR * buf,
int buflen);

HANDLE PASCAL FAR WSAAsyncGetProtoByName(HWND hWnd, u_int
wMsg,
const char FAR *
name, char FAR * buf,
int buflen);

HANDLE PASCAL FAR WSAAsyncGetProtoByNumber(HWND hWnd, u_int
wMsg,
int number, char
FAR * buf,
int buflen);

HANDLE PASCAL FAR WSAAsyncGetHostByName(HWND hWnd, u_int
wMsg,
const char FAR *
name, char FAR * buf,
int buflen);

HANDLE PASCAL FAR WSAAsyncGetHostByAddr(HWND hWnd, u_int
wMsg,
const char FAR *
addr, int len, int type,
const char FAR *
buf, int buflen);

int PASCAL FAR WSACancelAsyncRequest(HANDLE
hAsyncTaskHandle);

int PASCAL FAR WSAAsyncSelect(SOCKET s, HWND hWnd, u_int
wMsg,
long lEvent);

/*
* WinSock 2.0 extension － data type for the condition
function in WSAAccept()
*/

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

/* WinSock 2.0 API new function prototypes */

SOCKET WSAAPI WSAAccept (SOCKET s,
struct sockaddr FAR *addr,
int FAR *addrlen,
LPCONDITIONPROC lpfnCondition,
DWORD dwCallbackData);

BOOL WSAAPI WSACloseEvent (WSAEVENT hEvent);

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

WSAEVENT WSAAPI WSACreateEvent (VOID);

SOCKET WSAAPI WSADuplicateSocket(SOCKET s,
WSATASK hTargetTask);

int WSAAPI WSAEnumNetworkEvents (SOCKET s,
WSAEVENT hEventObject,
LPWSANETWORKEVENTS
lpNetworkEvents,
LPINT lpiCount);

int WSAAPI WSAEnumProtocols (LPDWORD lpdwProtocols,
LPVOID lpProtocolBuffer,
LPDWORD lpdwBufferLength);

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

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

BOOL WSAAPI WSAGetQOSByname (SOCKET s,
LPWSABUF lpQOSName,
LPQOS lpQOS);

u_long WSAAPI WSAHtonl (SOCKET s,
u_long hostlong);

u_short WSAAPI WSAHtons (SOCKET s,
u_short hostshort );

int WSAAPI WSAIoctl(SOCKET s,
DWORD dwIoControlCode,
LPVOID lpvInBuffer,
DWORD cbInBuffer,
LPVOID lpvOutBuffer,
DWORD cbOutBuffer,
LPDWORD lpcbBytesReturned,
LPWSAOVERLAPPED lpOverlapped,
LPWSAOVERLAPPED_COMPLETION_ROUTINE
lpCompletionRoutine);

SOCKET WSAAPI WSAJoinLeaf (SOCKET s,
const struct sockaddr FAR * name,
int namelen,
LPWSABUF lpCallerData,
LPWSABUF lpCalleeData,
LPQOS lpSQOS,
LPQOS lpGQOS,
int iFlags);

u_long WSAAPI WSANtohl (SOCKET s,
u_long netlong );

u_short WSAAPI WSANtohs (SOCKET s,
u_short netshort );

int WSAAPI WSARecv (SOCKET s,
LPWSABUF lpBuffesr,
DWORD dwBufferCount,
LPDWORD lpNumberOfBytesRecvd,
LPINT lpFlags,
LPWSAOVERLAPPED lpOverlapped,
LPWSAOVERLAPPED_COMPLETION_ROUTINE
lpCompletionRoutine);

int WSAAPI WSARecvDisconnect (SOCKET s,
LPWSABUF
lpInboundDisconnectData);

int WSAAPI WSARecvFrom (SOCKET s,
LPWSABUF lpBuffers,
DWORD dwBufferCount,
LPDWORD lpNumberOfBytesRecvd,
LPINT lpFlags,
LPVOID lpFrom,
LPINT lpFromlen,
LPWSAOVERLAPPED lpOverlapped,
LPWSAOVERLAPPED_COMPLETION_ROUTINE
lpCompletionRoutine);

BOOL WSAAPI WSAResetEvent(WSAEVENT hEvent);

int WSAAPI WSASend (SOCKET s,
LPWSABUFlpBuffers,
DWORD dwBufferCount,
LPDWORD lpNumberOfBytesSent,
int iFlags,
LPWSAOVERLAPPED lpOverlapped,
LPWSAOVERLAPPED_COMPLETION_ROUTINE
lpCompletionRoutine);

int WSAAPI WSASendDisconnect (SOCKET s,
LPWSABUF
lpOutboundDisconnectData );

int WSAAPI WSASendTo (SOCKET s,
LPWSABUFlpBuffers,
DWORD dwBufferCount,
LPDWORD lpNumberOfBytesSent,
int iFlags,
LPVOID lpTo,
int iTolen,
LPWSAOVERLAPPED lpOverlapped,
LPWSAOVERLAPPED_COMPLETION_ROUTINE
lpCompletionRoutine);

BOOL WSAAPI WSASetEvent(WSAEVENT hEvent);

SOCKET WSAAPI WSASocket (int af,
int type,
int protocol,
LPPROTOCOL_INFO lpProtocolInfo,
GROUP g,
int iFlags);

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

#ifdef __cplusplus
}
#endif

/* Microsoft Windows Extended data types */
typedef struct sockaddr SOCKADDR;
typedef struct sockaddr *PSOCKADDR;
typedef struct sockaddr FAR *LPSOCKADDR;

typedef struct sockaddr_in SOCKADDR_IN;
typedef struct sockaddr_in *PSOCKADDR_IN;
typedef struct sockaddr_in FAR *LPSOCKADDR_IN;

typedef struct linger LINGER;
typedef struct linger *PLINGER;
typedef struct linger FAR *LPLINGER;

typedef struct in_addr IN_ADDR;
typedef struct in_addr *PIN_ADDR;
typedef struct in_addr FAR *LPIN_ADDR;

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;

/*
* Windows message parameter composition and decomposition
* macros.
*
* WSAMAKEASYNCREPLY is intended for use by the Windows
Sockets implementation
* when constructing the response to a WSAAsyncGetXByY()
routine.
*/
#define WSAMAKEASYNCREPLY(buflen,error)
MAKELONG(buflen,error)
/*
* WSAMAKESELECTREPLY is intended for use by the Windows
Sockets implementation
* when constructing the response to WSAAsyncSelect().
*/
#define WSAMAKESELECTREPLY(event,error)
MAKELONG(event,error)
/*
* WSAGETASYNCBUFLEN is intended for use by the Windows
Sockets application
* to extract the buffer length from the lParam in the
response
* to a WSAAsyncGetXByY().
*/
#define WSAGETASYNCBUFLEN(lParam) LOWORD(lParam)
/*
* WSAGETASYNCERROR is intended for use by the Windows
Sockets application
* to extract the error code from the lParam in the response
* to a WSAGetXByY().
*/
#define WSAGETASYNCERROR(lParam) HIWORD(lParam)
/*
* WSAGETSELECTEVENT is intended for use by the Windows
Sockets application
* to extract the event code from the lParam in the response
* to a WSAAsyncSelect().
*/
#define WSAGETSELECTEVENT(lParam) LOWORD(lParam)
/*
* WSAGETSELECTERROR is intended for use by the Windows
Sockets application
* to extract the error code from the lParam in the response
* to a WSAAsyncSelect().
*/
#define WSAGETSELECTERROR(lParam) HIWORD(lParam)

#endif /* _WINSOCK2API_ */

附录B.3 Winsock.def文件

;
; File: winsock.def
; System: MS-Windows 3.x
; Summary: Module definition file for Windows Sockets DLL.
;

LIBRARY WINSOCK ; Application's module name

DESCRIPTION 'BSD Socket API for Windows'

EXETYPE WINDOWS ; required for all windows
applications

STUB 'WINSTUB.EXE' ; generates error message if
application
; is run without Windows

;CODE can be FIXED in memory because of potential upcalls
CODE PRELOAD FIXED

;DATA must be SINGLE and at a FIXED location since this is a DLL
DATA PRELOAD FIXED SINGLE

HEAPSIZE 1024
STACKSIZE 16384

; All functions that will be called by any Windows routine
; must be exported. Any additional exports beyond those defined
; here must have ordinal numbers 1000 or above.

EXPORTS
accept @1
bind @2
closesocket @3
connect @4
getpeername @5
getsockname @6
getsockopt @7
htonl @8
htons @9
inet_addr @10
inet_ntoa @11
ioctlsocket @12
listen @13
ntohl @14
ntohs @15
recv @16
recvfrom @17
select @18
send @19
sendto @20
setsockopt @21
shutdown @22
socket @23

gethostbyaddr @51
gethostbyname @52
getprotobyname @53
getprotobynumber @54
getservbyname @55
getservbyport @56
gethostname @57

WSAAsyncSelect @101
WSAAsyncGetHostByAddr @102
WSAAsyncGetHostByName @103
WSAAsyncGetProtoByNumber @104
WSAAsyncGetProtoByName @105
WSAAsyncGetServByPort @106
WSAAsyncGetServByName @107
WSACancelAsyncRequest @108
WSASetBlockingHook @109
WSAUnhookBlockingHook @110
WSAGetLastError @111
WSASetLastError @112
WSACancelBlockingCall @113
WSAIsBlocking @114
WSAStartup @115
WSACleanup @116

__WSAFDIsSet @151

WEP @500 RESIDENTNAME

;eof

附录C 参考文献

(1) 周明天汪文勇编著，“TCP/IP网络原理与技术”，清华大学出版社,1993年
(2) 朱三元等编著，“网络通信软件设计指南”，清华大学出版社，1994年
(3) Martin Hall等，“Windows Sockets－An Open Interface for Network Programming under Microsoft Windows”，Document, 1993年
(4) Martin Hall等，“Windows Sockets 2 Application Programming Interface”，Document, 1995年

地主发表时间: 04/29 08:55

回复: xiaoxingchi [xiaoxingchi]

论坛用户

找到了一样好东西，我还没有看，就先发到这里来了！

太长了，只好分页贴上来！

大家慢慢看吧！

B1层发表时间: 04/29 08:58

回复: yxh428 [yxh428]

论坛用户

恩
这个东西很好，真的不错。

B2层发表时间: 08/18 15:09

论坛: 编程破解