include/winsock.h

   1 /* WINSOCK.H--definitions to be used with the WINSOCK.DLL
   2  *
   3  * This header file corresponds to version 1.1 of the Windows Sockets
   4  * specification.
   5  */
   6
   7 #ifndef _WINSOCKAPI_
   8 #define _WINSOCKAPI_
   9
  10 #include <sys/types.h>
  11
  12 /* Solaris kludge */
  13 #undef FSHIFT
  14 #undef PAGESIZE
  15 #undef TRANSPARENT
  16 #include <netinet/in.h>
  17 #undef FSHIFT
  18 #undef PAGESIZE
  19 #undef TRANSPARENT
  20
  21 #include <arpa/inet.h>
  22 #include <sys/time.h>
  23 #include <fcntl.h>
  24 #include <netdb.h>
  25 #include <sys/socket.h>
  26 #include <sys/ioctl.h>
  27
  28 #ifdef HAVE_IPX_GNU
  29 # include <netipx/ipx.h>
  30 # define HAVE_IPX
  31 #endif
  32
  33 #ifdef HAVE_IPX_LINUX
  34 # include <asm/types.h>
  35 # include <linux/ipx.h>
  36 # define HAVE_IPX
  37 #endif
  38
  39 #include "windef.h"
  40 #include "task.h"
  41
  42 #ifdef __cplusplus
  43 extern "C" {
  44 #endif /* defined(__cplusplus) */
  45
  46 /* no "forced" alignment of ws_XXXXent here ! */
  47
  48 typedef struct ws_hostent
  49 {
  50         char    *h_name;        /* official name of host */
  51         char    **h_aliases;    /* alias list */
  52         short   h_addrtype;     /* host address type */
  53         short   h_length;       /* length of address */
  54         char    **h_addr_list;  /* list of addresses from name server */
  55 } _ws_hostent;
  56
  57 typedef struct ws_protoent
  58 {
  59         char    *p_name;        /* official protocol name */
  60         char    **p_aliases;    /* alias list */
  61         short   p_proto;        /* protocol # */
  62 } _ws_protoent;
  63
  64 typedef struct ws_servent
  65 {
  66         char    *s_name;        /* official service name */
  67         char    **s_aliases;    /* alias list */
  68         short   s_port;         /* port # */
  69         char    *s_proto;       /* protocol to use */
  70 } _ws_servent;
  71
  72 typedef struct ws_netent
  73 {
  74         char    *n_name;        /* official name of net */
  75         char    **n_aliases;    /* alias list */
  76         short   n_addrtype;     /* net address type */
  77         u_long  n_net;          /* network # */
  78 } _ws_netent;
  79
  80 #include "pshpack1.h"
  81
  82 /* Win16 socket-related types */
  83
  84 typedef UINT16          SOCKET16;
  85 typedef UINT            SOCKET;
  86
  87 typedef struct sockaddr         ws_sockaddr;
  88
  89 typedef struct
  90 {
  91         UINT16    fd_count;               /* how many are SET? */
  92         SOCKET16  fd_array[FD_SETSIZE];   /* an array of SOCKETs */
  93 } ws_fd_set16;
  94
  95
  96 typedef struct ws_fd_set32_struct
  97 {
  98         UINT    fd_count;               /* how many are SET? */
  99         SOCKET  fd_array[FD_SETSIZE];   /* an array of SOCKETs */
 100 } ws_fd_set32;
 101
 102
 103 /* ws_fd_set operations */
 104
 105 INT16 WINAPI __WSAFDIsSet16( SOCKET16, ws_fd_set16 * );
 106 INT WINAPI __WSAFDIsSet( SOCKET, ws_fd_set32 * );
 107
 108 #define __WS_FD_CLR(fd, set, cast) do { \
 109     UINT16 __i; \
 110     for (__i = 0; __i < ((cast*)(set))->fd_count ; __i++) \
 111     { \
 112         if (((cast*)(set))->fd_array[__i] == fd) \
 113         { \
 114             while (__i < ((cast*)(set))->fd_count-1) \
 115             { \
 116                 ((cast*)(set))->fd_array[__i] = \
 117                     ((cast*)(set))->fd_array[__i+1]; \
 118                 __i++; \
 119             } \
 120             ((cast*)(set))->fd_count--; \
 121             break; \
 122         } \
 123     } \
 124 } while(0)
 125 #define WS_FD_CLR16(fd, set)    __WS_FD_CLR((fd),(set), ws_fd_set16)
 126 #define WS_FD_CLR(fd, set)      __WS_FD_CLR((fd),(set), ws_fd_set32)
 127
 128 #define __WS_FD_SET(fd, set, cast) do { \
 129     if (((cast*)(set))->fd_count < FD_SETSIZE) \
 130         ((cast*)(set))->fd_array[((cast*)(set))->fd_count++]=(fd);\
 131 } while(0)
 132 #define WS_FD_SET16(fd, set)    __WS_FD_SET((fd),(set), ws_fd_set16)
 133 #define WS_FD_SET(fd, set)    __WS_FD_SET((fd),(set), ws_fd_set32)
 134
 135 #define WS_FD_ZERO16(set) (((ws_fd_set16*)(set))->fd_count=0)
 136 #define WS_FD_ZERO(set) (((ws_fd_set32*)(set))->fd_count=0)
 137
 138 #define WS_FD_ISSET16(fd, set) __WSAFDIsSet16((SOCKET16)(fd), (ws_fd_set16*)(set))
 139 #define WS_FD_ISSET(fd, set) __WSAFDIsSet((SOCKET)(fd), (ws_fd_set32*)(set))
 140
 141 /*
 142  * Internet address (old style... should be updated)
 143  */
 144
 145 struct ws_in_addr
 146 {
 147         union {
 148                 struct { BYTE   s_b1,s_b2,s_b3,s_b4; } S_un_b;
 149                 struct { UINT16 s_w1,s_w2; } S_un_w;
 150                 UINT S_addr;
 151         } S_un;
 152 #define ws_addr  S_un.S_addr            /* can be used for most tcp & ip code */
 153 #define ws_host  S_un.S_un_b.s_b2       /* host on imp */
 154 #define ws_net   S_un.S_un_b.s_b1       /* network */
 155 #define ws_imp   S_un.S_un_w.s_w2       /* imp */
 156 #define ws_impno S_un.S_un_b.s_b4       /* imp # */
 157 #define ws_lh    S_un.S_un_b.s_b3       /* logical host */
 158 };
 159
 160 struct ws_sockaddr_in
 161 {
 162         INT16           sin_family;
 163         UINT16          sin_port;
 164         struct ws_in_addr sin_addr;
 165         BYTE            sin_zero[8];
 166 };
 167
 168 #define WSADESCRIPTION_LEN      256
 169 #define WSASYS_STATUS_LEN       128
 170
 171 typedef struct WSAData {
 172         WORD                    wVersion;
 173         WORD                    wHighVersion;
 174         char                    szDescription[WSADESCRIPTION_LEN+1];
 175         char                    szSystemStatus[WSASYS_STATUS_LEN+1];
 176         UINT16                  iMaxSockets;
 177         UINT16                  iMaxUdpDg;
 178         SEGPTR                  lpVendorInfo;
 179 } WSADATA, *LPWSADATA;
 180
 181 #include "poppack.h"
 182
 183 /* ------ no Win16 structure defs (1-byte alignment) beyond this line! ------ */
 184
 185 /*
 186  * This is used instead of -1, since the
 187  * SOCKET type is unsigned.
 188  */
 189 #define INVALID_SOCKET16           (~0)
 190 #define INVALID_SOCKET     (~0)
 191 #define SOCKET_ERROR               (-1)
 192
 193
 194 /*
 195  * Types
 196  */
 197 #define WS_SOCK_STREAM     1               /* stream socket */
 198 #define WS_SOCK_DGRAM      2               /* datagram socket */
 199 #define WS_SOCK_RAW        3               /* raw-protocol interface */
 200 #define WS_SOCK_RDM        4               /* reliably-delivered message */
 201 #define WS_SOCK_SEQPACKET  5               /* sequenced packet stream */
 202
 203 #define WS_SOL_SOCKET           0xffff
 204 #define WS_IPPROTO_TCP          6
 205
 206 /*
 207  * Option flags per-socket.
 208  */
 209 #define WS_SO_DEBUG        0x0001          /* turn on debugging info recording */
 210 #define WS_SO_ACCEPTCONN   0x0002          /* socket has had listen() */
 211 #define WS_SO_REUSEADDR    0x0004          /* allow local address reuse */
 212 #define WS_SO_KEEPALIVE    0x0008          /* keep connections alive */
 213 #define WS_SO_DONTROUTE    0x0010          /* just use interface addresses */
 214 #define WS_SO_BROADCAST    0x0020          /* permit sending of broadcast msgs */
 215 #define WS_SO_USELOOPBACK  0x0040          /* bypass hardware when possible */
 216 #define WS_SO_LINGER       0x0080          /* linger on close if data present */
 217 #define WS_SO_OOBINLINE    0x0100          /* leave received OOB data in line */
 218
 219 #define WS_SO_DONTLINGER   (UINT)(~WS_SO_LINGER)
 220
 221 /*
 222  * Additional options.
 223  */
 224 #define WS_SO_SNDBUF       0x1001          /* send buffer size */
 225 #define WS_SO_RCVBUF       0x1002          /* receive buffer size */
 226 #define WS_SO_SNDLOWAT     0x1003          /* send low-water mark */
 227 #define WS_SO_RCVLOWAT     0x1004          /* receive low-water mark */
 228 #define WS_SO_SNDTIMEO     0x1005          /* send timeout */
 229 #define WS_SO_RCVTIMEO     0x1006          /* receive timeout */
 230 #define WS_SO_ERROR        0x1007          /* get error status and clear */
 231 #define WS_SO_TYPE         0x1008          /* get socket type */
 232
 233 #define WS_IOCPARM_MASK    0x7f            /* parameters must be < 128 bytes */
 234 #define WS_IOC_VOID        0x20000000      /* no parameters */
 235 #define WS_IOC_OUT         0x40000000      /* copy out parameters */
 236 #define WS_IOC_IN          0x80000000      /* copy in parameters */
 237 #define WS_IOC_INOUT       (WS_IOC_IN|WS_IOC_OUT)
 238 #define WS_IOR(x,y,t)      (WS_IOC_OUT|(((UINT)sizeof(t)&WS_IOCPARM_MASK)<<16)|((x)<<8)|(y))
 239 #define WS_IOW(x,y,t)      (WS_IOC_IN|(((UINT)sizeof(t)&WS_IOCPARM_MASK)<<16)|((x)<<8)|(y))
 240
 241 /* IPPROTO_TCP options */
 242 #define WS_TCP_NODELAY  1               /* do not apply nagle algorithm */
 243
 244 /*
 245  * Socket I/O flags (supported by spec 1.1)
 246  */
 247
 248 #define WS_FIONREAD    WS_IOR('f', 127, u_long)
 249 #define WS_FIONBIO     WS_IOW('f', 126, u_long)
 250
 251 #define WS_SIOCATMARK  WS_IOR('s',  7, u_long)
 252
 253 /*
 254  * Maximum queue length specifiable by listen.
 255  */
 256 #ifdef SOMAXCONN
 257 #undef SOMAXCONN
 258 #endif
 259 #define SOMAXCONN       5
 260
 261 #ifndef MSG_DONTROUTE
 262 #define MSG_DONTROUTE   0x4             /* send without using routing tables */
 263 #endif
 264 #define MSG_MAXIOVLEN   16
 265
 266 #ifndef MSG_PARTIAL
 267 #define MSG_PARTIAL     0x8000 /* partial send or recv (WSARecvEx) */
 268 #endif
 269
 270 /*
 271  * Define constant based on rfc883, used by gethostbyxxxx() calls.
 272  */
 273 #define MAXGETHOSTSTRUCT        1024
 274
 275 /*
 276  * Define flags to be used with the WSAAsyncSelect() call.
 277  */
 278 #define FD_READ            WS_FD_READ
 279 #define FD_WRITE           WS_FD_WRITE
 280 #define FD_OOB             WS_FD_OOB
 281 #define FD_ACCEPT          WS_FD_ACCEPT
 282 #define FD_CONNECT         WS_FD_CONNECT
 283 #define FD_CLOSE           WS_FD_CLOSE
 284 #define WS_FD_READ         0x0001
 285 #define WS_FD_WRITE        0x0002
 286 #define WS_FD_OOB          0x0004
 287 #define WS_FD_ACCEPT       0x0008
 288 #define WS_FD_CONNECT      0x0010
 289 #define WS_FD_CLOSE        0x0020
 290
 291 #define WS_FD_LISTENING    0x10000000   /* internal per-socket flags */
 292 #define WS_FD_NONBLOCKING  0x20000000
 293 #define WS_FD_CONNECTED    0x40000000
 294 #define WS_FD_RAW          0x80000000
 295 #define WS_FD_SERVEVENT    0x01000000
 296 #define WS_FD_INTERNAL     0xFFFF0000
 297
 298 /*
 299  * All Windows Sockets error constants are biased by WSABASEERR from
 300  * the "normal"
 301  */
 302 #define WSABASEERR              10000
 303 /*
 304  * Windows Sockets definitions of regular Microsoft C error constants
 305  */
 306 #define WSAEINTR                (WSABASEERR+4)
 307 #define WSAEBADF                (WSABASEERR+9)
 308 #define WSAEACCES               (WSABASEERR+13)
 309 #define WSAEFAULT               (WSABASEERR+14)
 310 #define WSAEINVAL               (WSABASEERR+22)
 311 #define WSAEMFILE               (WSABASEERR+24)
 312
 313 /*
 314  * Windows Sockets definitions of regular Berkeley error constants
 315  */
 316 #define WSAEWOULDBLOCK          (WSABASEERR+35)
 317 #define WSAEINPROGRESS          (WSABASEERR+36)
 318 #define WSAEALREADY             (WSABASEERR+37)
 319 #define WSAENOTSOCK             (WSABASEERR+38)
 320 #define WSAEDESTADDRREQ         (WSABASEERR+39)
 321 #define WSAEMSGSIZE             (WSABASEERR+40)
 322 #define WSAEPROTOTYPE           (WSABASEERR+41)
 323 #define WSAENOPROTOOPT          (WSABASEERR+42)
 324 #define WSAEPROTONOSUPPORT      (WSABASEERR+43)
 325 #define WSAESOCKTNOSUPPORT      (WSABASEERR+44)
 326 #define WSAEOPNOTSUPP           (WSABASEERR+45)
 327 #define WSAEPFNOSUPPORT         (WSABASEERR+46)
 328 #define WSAEAFNOSUPPORT         (WSABASEERR+47)
 329 #define WSAEADDRINUSE           (WSABASEERR+48)
 330 #define WSAEADDRNOTAVAIL        (WSABASEERR+49)
 331 #define WSAENETDOWN             (WSABASEERR+50)
 332 #define WSAENETUNREACH          (WSABASEERR+51)
 333 #define WSAENETRESET            (WSABASEERR+52)
 334 #define WSAECONNABORTED         (WSABASEERR+53)
 335 #define WSAECONNRESET           (WSABASEERR+54)
 336 #define WSAENOBUFS              (WSABASEERR+55)
 337 #define WSAEISCONN              (WSABASEERR+56)
 338 #define WSAENOTCONN             (WSABASEERR+57)
 339 #define WSAESHUTDOWN            (WSABASEERR+58)
 340 #define WSAETOOMANYREFS         (WSABASEERR+59)
 341 #define WSAETIMEDOUT            (WSABASEERR+60)
 342 #define WSAECONNREFUSED         (WSABASEERR+61)
 343 #define WSAELOOP                (WSABASEERR+62)
 344 #define WSAENAMETOOLONG         (WSABASEERR+63)
 345 #define WSAEHOSTDOWN            (WSABASEERR+64)
 346 #define WSAEHOSTUNREACH         (WSABASEERR+65)
 347 #define WSAENOTEMPTY            (WSABASEERR+66)
 348 #define WSAEPROCLIM             (WSABASEERR+67)
 349 #define WSAEUSERS               (WSABASEERR+68)
 350 #define WSAEDQUOT               (WSABASEERR+69)
 351 #define WSAESTALE               (WSABASEERR+70)
 352 #define WSAEREMOTE              (WSABASEERR+71)
 353
 354 /*
 355  * Extended Windows Sockets error constant definitions
 356  */
 357 #define WSASYSNOTREADY          (WSABASEERR+91)
 358 #define WSAVERNOTSUPPORTED      (WSABASEERR+92)
 359 #define WSANOTINITIALISED       (WSABASEERR+93)
 360
 361 /*
 362  * Error return codes from gethostbyname() and gethostbyaddr()
 363  * (when using the resolver). Note that these errors are
 364  * retrieved via WSAGetLastError() and must therefore follow
 365  * the rules for avoiding clashes with error numbers from
 366  * specific implementations or language run-time systems.
 367  * For this reason the codes are based at WSABASEERR+1001.
 368  * Note also that [WSA]NO_ADDRESS is defined only for
 369  * compatibility purposes.
 370  */
 371
 372 /* #define h_errno         WSAGetLastError() */
 373
 374 /* Authoritative Answer: Host not found */
 375 #define WSAHOST_NOT_FOUND       (WSABASEERR+1001)
 376
 377 /* Non-Authoritative: Host not found, or SERVERFAIL */
 378 #define WSATRY_AGAIN            (WSABASEERR+1002)
 379
 380 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
 381 #define WSANO_RECOVERY          (WSABASEERR+1003)
 382
 383 /* Valid name, no data record of requested type */
 384 #define WSANO_DATA              (WSABASEERR+1004)
 385
 386 /* no address, look for MX record */
 387 #define WSANO_ADDRESS           WSANO_DATA
 388
 389 /* Socket function prototypes */
 390
 391 #ifdef __cplusplus
 392 extern "C" {
 393 #endif
 394
 395 /* Microsoft Windows Extension function prototypes */
 396
 397 INT16     WINAPI WSAStartup16(UINT16 wVersionRequired, LPWSADATA lpWSAData);
 398 INT     WINAPI WSAStartup(UINT wVersionRequired, LPWSADATA lpWSAData);
 399 void      WINAPI WSASetLastError16(INT16 iError);
 400 void      WINAPI WSASetLastError(INT iError);
 401 INT     WINAPI WSACleanup(void);
 402 INT     WINAPI WSAGetLastError(void);
 403 BOOL    WINAPI WSAIsBlocking(void);
 404 INT     WINAPI WSACancelBlockingCall(void);
 405 INT16     WINAPI WSAUnhookBlockingHook16(void);
 406 INT     WINAPI WSAUnhookBlockingHook(void);
 407 FARPROC16 WINAPI WSASetBlockingHook16(FARPROC16 lpBlockFunc);
 408 FARPROC WINAPI WSASetBlockingHook(FARPROC lpBlockFunc);
 409
 410 HANDLE16  WINAPI WSAAsyncGetServByName16(HWND16 hWnd, UINT16 wMsg, LPCSTR name, LPCSTR proto,
 411                                          SEGPTR buf, INT16 buflen);
 412 HANDLE  WINAPI WSAAsyncGetServByName(HWND hWnd, UINT uMsg, LPCSTR name, LPCSTR proto,
 413                                          LPSTR sbuf, INT buflen);
 414
 415 HANDLE16  WINAPI WSAAsyncGetServByPort16(HWND16 hWnd, UINT16 wMsg, INT16 port,
 416                                          LPCSTR proto, SEGPTR buf, INT16 buflen);
 417 HANDLE  WINAPI WSAAsyncGetServByPort(HWND hWnd, UINT uMsg, INT port,
 418                                          LPCSTR proto, LPSTR sbuf, INT buflen);
 419
 420 HANDLE16  WINAPI WSAAsyncGetProtoByName16(HWND16 hWnd, UINT16 wMsg,
 421                                           LPCSTR name, SEGPTR buf, INT16 buflen);
 422 HANDLE  WINAPI WSAAsyncGetProtoByName(HWND hWnd, UINT uMsg,
 423                                           LPCSTR name, LPSTR sbuf, INT buflen);
 424
 425 HANDLE16  WINAPI WSAAsyncGetProtoByNumber16(HWND16 hWnd, UINT16 wMsg,
 426                                             INT16 number, SEGPTR buf, INT16 buflen);
 427 HANDLE  WINAPI WSAAsyncGetProtoByNumber(HWND hWnd, UINT uMsg,
 428                                             INT number, LPSTR sbuf, INT buflen);
 429
 430 HANDLE16  WINAPI WSAAsyncGetHostByName16(HWND16 hWnd, UINT16 wMsg,
 431                                          LPCSTR name, SEGPTR buf, INT16 buflen);
 432 HANDLE  WINAPI WSAAsyncGetHostByName(HWND hWnd, UINT uMsg,
 433                                          LPCSTR name, LPSTR sbuf, INT buflen);
 434
 435 HANDLE16  WINAPI WSAAsyncGetHostByAddr16(HWND16 hWnd, UINT16 wMsg, LPCSTR addr,
 436                               INT16 len, INT16 type, SEGPTR buf, INT16 buflen);
 437 HANDLE  WINAPI WSAAsyncGetHostByAddr(HWND hWnd, UINT uMsg, LPCSTR addr,
 438                               INT len, INT type, LPSTR sbuf, INT buflen);
 439
 440 INT16     WINAPI WSACancelAsyncRequest16(HANDLE16 hAsyncTaskHandle);
 441 INT     WINAPI WSACancelAsyncRequest(HANDLE hAsyncTaskHandle);
 442
 443 INT16     WINAPI WSAAsyncSelect16(SOCKET16 s, HWND16 hWnd, UINT16 wMsg, LONG lEvent);
 444 INT     WINAPI WSAAsyncSelect(SOCKET s, HWND hWnd, UINT uMsg, LONG lEvent);
 445
 446 INT16     WINAPI WSARecvEx16(SOCKET16 s, char *buf, INT16 len, INT16 *flags);
 447 INT     WINAPI   WSARecvEx(SOCKET s, char *buf, INT len, INT *flags);
 448
 449 /*
 450  * Address families
 451  */
 452 #define WS_AF_UNSPEC       0               /* unspecified */
 453 #define WS_AF_UNIX         1               /* local to host (pipes, portals) */
 454 #define WS_AF_INET         2               /* internetwork: UDP, TCP, etc. */
 455 #define WS_AF_IMPLINK      3               /* arpanet imp addresses */
 456 #define WS_AF_PUP          4               /* pup protocols: e.g. BSP */
 457 #define WS_AF_CHAOS        5               /* mit CHAOS protocols */
 458 #define WS_AF_NS           6               /* XEROX NS protocols */
 459 #define WS_AF_IPX          WS_AF_NS        /* IPX protocols: IPX, SPX, etc. */
 460 #define WS_AF_ISO          7               /* ISO protocols */
 461 #define WS_AF_OSI          AF_ISO          /* OSI is ISO */
 462 #define WS_AF_ECMA         8               /* european computer manufacturers */
 463 #define WS_AF_DATAKIT      9               /* datakit protocols */
 464 #define WS_AF_CCITT        10              /* CCITT protocols, X.25 etc */
 465 #define WS_AF_SNA          11              /* IBM SNA */
 466 #define WS_AF_DECnet       12              /* DECnet */
 467 #define WS_AF_DLI          13              /* Direct data link interface */
 468 #define WS_AF_LAT          14              /* LAT */
 469 #define WS_AF_HYLINK       15              /* NSC Hyperchannel */
 470 #define WS_AF_APPLETALK    16              /* AppleTalk */
 471 #define WS_AF_NETBIOS      17              /* NetBios-style addresses */
 472 #define WS_AF_VOICEVIEW    18              /* VoiceView */
 473 #define WS_AF_FIREFOX      19              /* Protocols from Firefox */
 474 #define WS_AF_UNKNOWN1     20              /* Somebody is using this! */
 475 #define WS_AF_BAN          21              /* Banyan */
 476 #define WS_AF_ATM          22              /* Native ATM Services */
 477 #define WS_AF_INET6        23              /* Internetwork Version 6 */
 478 #define WS_AF_CLUSTER      24              /* Microsoft Wolfpack */
 479 #define WS_AF_12844        25              /* IEEE 1284.4 WG AF */
 480 #define WS_AF_IRDA         26              /* IrDA */
 481
 482 #define WS_AF_MAX          27
 483
 484 #include "pshpack1.h"
 485
 486 struct ws_sockaddr_ipx
 487 {
 488         INT16           sipx_family;
 489         UINT            sipx_network;
 490         CHAR            sipx_node[6];
 491         UINT16          sipx_port;
 492 };
 493
 494 #include "poppack.h"
 495
 496 #ifdef __cplusplus
 497 }
 498 #endif
 499
 500 /* Microsoft Windows Extended data types */
 501 typedef struct sockaddr SOCKADDR, *PSOCKADDR, *LPSOCKADDR;
 502 typedef struct sockaddr_in SOCKADDR_IN, *PSOCKADDR_IN, *LPSOCKADDR_IN;
 503 typedef struct linger LINGER, *PLINGER, *LPLINGER;
 504 typedef struct in_addr IN_ADDR, *PIN_ADDR, *LPIN_ADDR;
 505 typedef struct ws_fd_set32_struct FD_SET, *PFD_SET, *LPFD_SET;
 506 typedef struct hostent HOSTENT, *PHOSTENT, *LPHOSTENT;
 507 typedef struct servent SERVENT, *PSERVENT, *LPSERVENT;
 508 typedef struct protoent PROTOENT, *PPROTOENT, *LPPROTOENT;
 509 typedef struct timeval TIMEVAL, *PTIMEVAL, *LPTIMEVAL;
 510
 511 /*
 512  * Windows message parameter composition and decomposition
 513  * macros.
 514  *
 515  * WSAMAKEASYNCREPLY is intended for use by the Windows Sockets implementation
 516  * when constructing the response to a WSAAsyncGetXByY() routine.
 517  */
 518 #define WSAMAKEASYNCREPLY(buflen,error)     MAKELONG(buflen,error)
 519 /*
 520  * WSAMAKESELECTREPLY is intended for use by the Windows Sockets implementation
 521  * when constructing the response to WSAAsyncSelect().
 522  */
 523 #define WSAMAKESELECTREPLY(event,error)     MAKELONG(event,error)
 524 /*
 525  * WSAGETASYNCBUFLEN is intended for use by the Windows Sockets application
 526  * to extract the buffer length from the lParam in the response
 527  * to a WSAGetXByY().
 528  */
 529 #define WSAGETASYNCBUFLEN(lParam)           LOWORD(lParam)
 530 /*
 531  * WSAGETASYNCERROR is intended for use by the Windows Sockets application
 532  * to extract the error code from the lParam in the response
 533  * to a WSAGetXByY().
 534  */
 535 #define WSAGETASYNCERROR(lParam)            HIWORD(lParam)
 536 /*
 537  * WSAGETSELECTEVENT is intended for use by the Windows Sockets application
 538  * to extract the event code from the lParam in the response
 539  * to a WSAAsyncSelect().
 540  */
 541 #define WSAGETSELECTEVENT(lParam)           LOWORD(lParam)
 542 /*
 543  * WSAGETSELECTERROR is intended for use by the Windows Sockets application
 544  * to extract the error code from the lParam in the response
 545  * to a WSAAsyncSelect().
 546  */
 547 #define WSAGETSELECTERROR(lParam)           HIWORD(lParam)
 548
 549 #ifdef __cplusplus
 550 } /* extern "C" */
 551 #endif /* defined(__cplusplus) */
 552
 553 #endif  /* _WINSOCKAPI_ */
 554