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 <netinet/in.h>
  11 #include <arpa/inet.h>
  12 #include <sys/types.h>
  13 #include <sys/time.h>
  14 #include <fcntl.h>
  15 #include <netdb.h>
  16 #include <sys/socket.h>
  17 #include "windows.h"
  18
  19 #pragma pack(1)
  20
  21 /* Win16 socket-related types */
  22
  23 typedef UINT16          SOCKET16;
  24 typedef UINT32          SOCKET32;
  25
  26 typedef struct ws_hostent
  27 {
  28         SEGPTR  h_name;         /* official name of host */
  29         SEGPTR  h_aliases;      /* alias list */
  30         INT16   h_addrtype;     /* host address type */
  31         INT16   h_length;       /* length of address */
  32         SEGPTR  h_addr_list;    /* list of addresses from name server */
  33 } _ws_hostent;
  34
  35 typedef struct ws_protoent
  36 {
  37         SEGPTR  p_name;         /* official protocol name */
  38         SEGPTR  p_aliases;      /* alias list */
  39         INT16   p_proto;        /* protocol # */
  40 } _ws_protoent;
  41
  42 typedef struct ws_servent
  43 {
  44         SEGPTR  s_name;         /* official service name */
  45         SEGPTR  s_aliases;      /* alias list */
  46         INT16   s_port;         /* port # */
  47         SEGPTR  s_proto;        /* protocol to use */
  48 } _ws_servent;
  49
  50 typedef struct ws_netent
  51 {
  52         SEGPTR  n_name;         /* official name of net */
  53         SEGPTR  n_aliases;      /* alias list */
  54         INT16   n_addrtype;     /* net address type */
  55         INT32   n_net;          /* network # */
  56 } _ws_netent;
  57
  58 typedef struct sockaddr         ws_sockaddr;
  59
  60 typedef struct
  61 {
  62         UINT16    fd_count;               /* how many are SET? */
  63         SOCKET16  fd_array[FD_SETSIZE];   /* an array of SOCKETs */
  64 } ws_fd_set;
  65
  66 /* ws_fd_set operations */
  67
  68 INT16 WINAPI __WSAFDIsSet16( SOCKET16, ws_fd_set * );
  69 INT32 WINAPI __WSAFDIsSet32( SOCKET32, ws_fd_set * );
  70 #define __WSAFDIsSet WINELIB_NAME(__WSAFDIsSet);
  71
  72 #define WS_FD_CLR(fd, set) do { \
  73     UINT16 __i; \
  74     for (__i = 0; __i < ((ws_fd_set*)(set))->fd_count ; __i++) \
  75     { \
  76         if (((ws_fd_set*)(set))->fd_array[__i] == fd) \
  77         { \
  78             while (__i < ((ws_fd_set*)(set))->fd_count-1) \
  79             { \
  80                 ((ws_fd_set*)(set))->fd_array[__i] = \
  81                     ((ws_fd_set*)(set))->fd_array[__i+1]; \
  82                 __i++; \
  83             } \
  84             ((ws_fd_set*)(set))->fd_count--; \
  85             break; \
  86         } \
  87     } \
  88 } while(0)
  89
  90 #define WS_FD_SET(fd, set) do { \
  91     if (((ws_fd_set*)(set))->fd_count < FD_SETSIZE) \
  92         ((ws_fd_set*)(set))->fd_array[((ws_fd_set*)(set))->fd_count++]=(fd);\
  93 } while(0)
  94
  95 #define WS_FD_ZERO(set) (((ws_fd_set*)(set))->fd_count=0)
  96
  97 #define WS_FD_ISSET(fd, set) __WSAFDIsSet((SOCKET16)(fd), (ws_fd_set*)(set))
  98
  99 /*
 100  * Internet address (old style... should be updated)
 101  */
 102
 103 typedef struct ws_addr_in
 104 {
 105         union {
 106                 struct { BYTE   s_b1,s_b2,s_b3,s_b4; } S_un_b;
 107                 struct { UINT16 s_w1,s_w2; } S_un_w;
 108                 UINT32 S_addr;
 109         } S_un;
 110 #define ws_addr  S_un.S_addr            /* can be used for most tcp & ip code */
 111 #define ws_host  S_un.S_un_b.s_b2       /* host on imp */
 112 #define ws_net   S_un.S_un_b.s_b1       /* network */
 113 #define ws_imp   S_un.S_un_w.s_w2       /* imp */
 114 #define ws_impno S_un.S_un_b.s_b4       /* imp # */
 115 #define ws_lh    S_un.S_un_b.s_b3       /* logical host */
 116 } _ws_in_addr;
 117
 118 typedef struct ws_sockaddr_in
 119 {
 120         INT16           sin_family;
 121         UINT16          sin_port;
 122         _ws_in_addr     sin_addr;
 123         char            sin_zero[8];
 124 } _ws_sockaddr_in;
 125
 126 #define WSADESCRIPTION_LEN      256
 127 #define WSASYS_STATUS_LEN       128
 128
 129 typedef struct WSAData {
 130         WORD                    wVersion;
 131         WORD                    wHighVersion;
 132         char                    szDescription[WSADESCRIPTION_LEN+1];
 133         char                    szSystemStatus[WSASYS_STATUS_LEN+1];
 134         UINT16                  iMaxSockets;
 135         UINT16                  iMaxUdpDg;
 136         SEGPTR                  lpVendorInfo;
 137 } WSADATA, *LPWSADATA;
 138
 139 #pragma pack(4)
 140
 141 /* ----------------------------------- no Win16 structure defs beyond this line! */
 142
 143 /*
 144  * This is used instead of -1, since the
 145  * SOCKET type is unsigned.
 146  */
 147 #define INVALID_SOCKET16           (~0)
 148 #define INVALID_SOCKET32           (~0)
 149 #define SOCKET_ERROR               (-1)
 150
 151 DECL_WINELIB_TYPE(INVALID_SOCKET);
 152 DECL_WINELIB_TYPE(SOCKET);
 153
 154 /*
 155  * Types
 156  */
 157 #define WS_SOCK_STREAM     1               /* stream socket */
 158 #define WS_SOCK_DGRAM      2               /* datagram socket */
 159 #define WS_SOCK_RAW        3               /* raw-protocol interface */
 160 #define WS_SOCK_RDM        4               /* reliably-delivered message */
 161 #define WS_SOCK_SEQPACKET  5               /* sequenced packet stream */
 162
 163 #define WS_SOL_SOCKET           (-1)
 164 #define WS_IPPROTO_TCP          6
 165
 166 /*
 167  * Option flags per-socket.
 168  */
 169 #define WS_SO_DEBUG        0x0001          /* turn on debugging info recording */
 170 #define WS_SO_ACCEPTCONN   0x0002          /* socket has had listen() */
 171 #define WS_SO_REUSEADDR    0x0004          /* allow local address reuse */
 172 #define WS_SO_KEEPALIVE    0x0008          /* keep connections alive */
 173 #define WS_SO_DONTROUTE    0x0010          /* just use interface addresses */
 174 #define WS_SO_BROADCAST    0x0020          /* permit sending of broadcast msgs */
 175 #define WS_SO_USELOOPBACK  0x0040          /* bypass hardware when possible */
 176 #define WS_SO_LINGER       0x0080          /* linger on close if data present */
 177 #define WS_SO_OOBINLINE    0x0100          /* leave received OOB data in line */
 178
 179 #define WS_SO_DONTLINGER   (UINT32)(~WS_SO_LINGER)
 180
 181 /*
 182  * Additional options.
 183  */
 184 #define WS_SO_SNDBUF       0x1001          /* send buffer size */
 185 #define WS_SO_RCVBUF       0x1002          /* receive buffer size */
 186 #define WS_SO_SNDLOWAT     0x1003          /* send low-water mark */
 187 #define WS_SO_RCVLOWAT     0x1004          /* receive low-water mark */
 188 #define WS_SO_SNDTIMEO     0x1005          /* send timeout */
 189 #define WS_SO_RCVTIMEO     0x1006          /* receive timeout */
 190 #define WS_SO_ERROR        0x1007          /* get error status and clear */
 191 #define WS_SO_TYPE         0x1008          /* get socket type */
 192
 193 #define WS_IOCPARM_MASK    0x7f            /* parameters must be < 128 bytes */
 194 #define WS_IOC_VOID        0x20000000      /* no parameters */
 195 #define WS_IOC_OUT         0x40000000      /* copy out parameters */
 196 #define WS_IOC_IN          0x80000000      /* copy in parameters */
 197 #define WS_IOC_INOUT       (WS_IOC_IN|WS_IOC_OUT)
 198 #define WS_IOR(x,y,t)      (WS_IOC_OUT|(((UINT32)sizeof(t)&WS_IOCPARM_MASK)<<16)|((x)<<8)|(y))
 199 #define WS_IOW(x,y,t)      (WS_IOC_IN|(((UINT32)sizeof(t)&WS_IOCPARM_MASK)<<16)|((x)<<8)|(y))
 200
 201 /*
 202  * Socket I/O flags (supported by spec 1.1)
 203  */
 204
 205 #define WS_FIONREAD    WS_IOR('f', 127, u_long)
 206 #define WS_FIONBIO     WS_IOW('f', 126, u_long)
 207
 208 #define WS_SIOCATMARK  WS_IOR('s',  7, u_long)
 209
 210 /*
 211  * Maximum queue length specifiable by listen.
 212  */
 213 #ifdef SOMAXCONN
 214 #undef SOMAXCONN
 215 #endif
 216 #define SOMAXCONN       5
 217
 218 #ifndef MSG_DONTROUTE
 219 #define MSG_DONTROUTE   0x4             /* send without using routing tables */
 220 #endif
 221 #define MSG_MAXIOVLEN   16
 222
 223 /*
 224  * Define constant based on rfc883, used by gethostbyxxxx() calls.
 225  */
 226 #define MAXGETHOSTSTRUCT        1024
 227
 228 /*
 229  * Define flags to be used with the WSAAsyncSelect() call.
 230  */
 231 #define WS_FD_READ         0x0001
 232 #define WS_FD_WRITE        0x0002
 233 #define WS_FD_OOB          0x0004
 234 #define WS_FD_ACCEPT       0x0008
 235 #define WS_FD_CONNECT      0x0010
 236 #define WS_FD_CLOSE        0x0020
 237
 238 #define WS_FD_LISTENING    0x10000000   /* internal per-socket flags */
 239 #define WS_FD_INACTIVE     0x20000000
 240 #define WS_FD_CONNECTED    0x40000000
 241 #define WS_FD_RAW          0x80000000
 242 #define WS_FD_INTERNAL     0xFFFF0000
 243
 244 /*
 245  * All Windows Sockets error constants are biased by WSABASEERR from
 246  * the "normal"
 247  */
 248 #define WSABASEERR              10000
 249 /*
 250  * Windows Sockets definitions of regular Microsoft C error constants
 251  */
 252 #define WSAEINTR                (WSABASEERR+4)
 253 #define WSAEBADF                (WSABASEERR+9)
 254 #define WSAEACCES               (WSABASEERR+13)
 255 #define WSAEFAULT               (WSABASEERR+14)
 256 #define WSAEINVAL               (WSABASEERR+22)
 257 #define WSAEMFILE               (WSABASEERR+24)
 258
 259 /*
 260  * Windows Sockets definitions of regular Berkeley error constants
 261  */
 262 #define WSAEWOULDBLOCK          (WSABASEERR+35)
 263 #define WSAEINPROGRESS          (WSABASEERR+36)
 264 #define WSAEALREADY             (WSABASEERR+37)
 265 #define WSAENOTSOCK             (WSABASEERR+38)
 266 #define WSAEDESTADDRREQ         (WSABASEERR+39)
 267 #define WSAEMSGSIZE             (WSABASEERR+40)
 268 #define WSAEPROTOTYPE           (WSABASEERR+41)
 269 #define WSAENOPROTOOPT          (WSABASEERR+42)
 270 #define WSAEPROTONOSUPPORT      (WSABASEERR+43)
 271 #define WSAESOCKTNOSUPPORT      (WSABASEERR+44)
 272 #define WSAEOPNOTSUPP           (WSABASEERR+45)
 273 #define WSAEPFNOSUPPORT         (WSABASEERR+46)
 274 #define WSAEAFNOSUPPORT         (WSABASEERR+47)
 275 #define WSAEADDRINUSE           (WSABASEERR+48)
 276 #define WSAEADDRNOTAVAIL        (WSABASEERR+49)
 277 #define WSAENETDOWN             (WSABASEERR+50)
 278 #define WSAENETUNREACH          (WSABASEERR+51)
 279 #define WSAENETRESET            (WSABASEERR+52)
 280 #define WSAECONNABORTED         (WSABASEERR+53)
 281 #define WSAECONNRESET           (WSABASEERR+54)
 282 #define WSAENOBUFS              (WSABASEERR+55)
 283 #define WSAEISCONN              (WSABASEERR+56)
 284 #define WSAENOTCONN             (WSABASEERR+57)
 285 #define WSAESHUTDOWN            (WSABASEERR+58)
 286 #define WSAETOOMANYREFS         (WSABASEERR+59)
 287 #define WSAETIMEDOUT            (WSABASEERR+60)
 288 #define WSAECONNREFUSED         (WSABASEERR+61)
 289 #define WSAELOOP                (WSABASEERR+62)
 290 #define WSAENAMETOOLONG         (WSABASEERR+63)
 291 #define WSAEHOSTDOWN            (WSABASEERR+64)
 292 #define WSAEHOSTUNREACH         (WSABASEERR+65)
 293 #define WSAENOTEMPTY            (WSABASEERR+66)
 294 #define WSAEPROCLIM             (WSABASEERR+67)
 295 #define WSAEUSERS               (WSABASEERR+68)
 296 #define WSAEDQUOT               (WSABASEERR+69)
 297 #define WSAESTALE               (WSABASEERR+70)
 298 #define WSAEREMOTE              (WSABASEERR+71)
 299
 300 /*
 301  * Extended Windows Sockets error constant definitions
 302  */
 303 #define WSASYSNOTREADY          (WSABASEERR+91)
 304 #define WSAVERNOTSUPPORTED      (WSABASEERR+92)
 305 #define WSANOTINITIALISED       (WSABASEERR+93)
 306
 307 /*
 308  * Error return codes from gethostbyname() and gethostbyaddr()
 309  * (when using the resolver). Note that these errors are
 310  * retrieved via WSAGetLastError() and must therefore follow
 311  * the rules for avoiding clashes with error numbers from
 312  * specific implementations or language run-time systems.
 313  * For this reason the codes are based at WSABASEERR+1001.
 314  * Note also that [WSA]NO_ADDRESS is defined only for
 315  * compatibility purposes.
 316  */
 317
 318 /* #define h_errno         WSAGetLastError() */
 319
 320 /* Authoritative Answer: Host not found */
 321 #define WSAHOST_NOT_FOUND       (WSABASEERR+1001)
 322
 323 /* Non-Authoritative: Host not found, or SERVERFAIL */
 324 #define WSATRY_AGAIN            (WSABASEERR+1002)
 325
 326 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
 327 #define WSANO_RECOVERY          (WSABASEERR+1003)
 328
 329 /* Valid name, no data record of requested type */
 330 #define WSANO_DATA              (WSABASEERR+1004)
 331
 332 /* no address, look for MX record */
 333 #define WSANO_ADDRESS           WSANO_DATA
 334
 335 /* Socket function prototypes */
 336
 337 #ifdef __cplusplus
 338 extern "C" {
 339 #endif
 340
 341 /* Microsoft Windows Extension function prototypes */
 342
 343 INT16     WINAPI WSAStartup16(UINT16 wVersionRequired, LPWSADATA lpWSAData);
 344 INT32     WINAPI WSAStartup32(UINT32 wVersionRequired, LPWSADATA lpWSAData);
 345 #define   WSAStartup WINELIB_NAME(WSAStartup);
 346 void      WINAPI WSASetLastError16(INT16 iError);
 347 void      WINAPI WSASetLastError32(INT32 iError);
 348 #define   WSASetLastError WINELIB_NAME(WSASetLastError);
 349 INT32     WINAPI WSACleanup(void);
 350 INT32     WINAPI WSAGetLastError(void);
 351 BOOL32    WINAPI WSAIsBlocking(void);
 352 INT32     WINAPI WSACancelBlockingCall(void);
 353 INT16     WINAPI WSAUnhookBlockingHook16(void);
 354 INT32     WINAPI WSAUnhookBlockingHook32(void);
 355 #define   WSAUnhookBlockingHook WINELIB_NAME(WSAUnhookBlockingHook)
 356 FARPROC16 WINAPI WSASetBlockingHook16(FARPROC16 lpBlockFunc);
 357 FARPROC32 WINAPI WSASetBlockingHook32(FARPROC32 lpBlockFunc);
 358 #define   WSASetBlockingHook WINELIB_NAME(WSASetBlockingHook)
 359 HANDLE16  WINAPI WSAAsyncGetServByName(HWND16 hWnd, UINT16 wMsg,
 360                                        LPCSTR name, LPCSTR proto,
 361                                        SEGPTR buf, INT16 buflen);
 362
 363 HANDLE16  WINAPI WSAAsyncGetServByPort(HWND16 hWnd, UINT16 wMsg, INT16 port,
 364                                        LPCSTR proto, SEGPTR buf, INT16 buflen);
 365
 366 HANDLE16  WINAPI WSAAsyncGetProtoByName(HWND16 hWnd, UINT16 wMsg,
 367                                         LPCSTR name, SEGPTR buf, INT16 buflen);
 368
 369 HANDLE16  WINAPI WSAAsyncGetProtoByNumber(HWND16 hWnd, UINT16 wMsg,
 370                                        INT16 number, SEGPTR buf, INT16 buflen);
 371
 372 HANDLE16  WINAPI WSAAsyncGetHostByName(HWND16 hWnd, UINT16 wMsg,
 373                                        LPCSTR name, SEGPTR buf, INT16 buflen);
 374
 375 HANDLE16  WINAPI WSAAsyncGetHostByAddr(HWND16 hWnd, UINT16 wMsg, LPCSTR addr,
 376                               INT16 len, INT16 type, SEGPTR buf, INT16 buflen);
 377 INT16     WINAPI WSACancelAsyncRequest(HANDLE16 hAsyncTaskHandle);
 378 INT16     WINAPI WSAAsyncSelect(SOCKET16 s, HWND16 hWnd, UINT16 wMsg,
 379                                 UINT32 lEvent);
 380
 381 #ifdef __cplusplus
 382 }
 383 #endif
 384
 385 /* Microsoft Windows Extended data types */
 386 typedef struct sockaddr SOCKADDR, *PSOCKADDR, *LPSOCKADDR;
 387 typedef struct sockaddr_in SOCKADDR_IN, *PSOCKADDR_IN, *LPSOCKADDR_IN;
 388 typedef struct linger LINGER, *PLINGER, *LPLINGER;
 389 typedef struct in_addr IN_ADDR, *PIN_ADDR, *LPIN_ADDR;
 390 typedef struct fd_set FD_SET, *PFD_SET, *LPFD_SET;
 391 typedef struct hostent HOSTENT, *PHOSTENT, *LPHOSTENT;
 392 typedef struct servent SERVENT, *PSERVENT, *LPSERVENT;
 393 typedef struct protoent PROTOENT, *PPROTOENT, *LPPROTOENT;
 394 typedef struct timeval TIMEVAL, *PTIMEVAL, *LPTIMEVAL;
 395
 396 /*
 397  * Windows message parameter composition and decomposition
 398  * macros.
 399  *
 400  * WSAMAKEASYNCREPLY is intended for use by the Windows Sockets implementation
 401  * when constructing the response to a WSAAsyncGetXByY() routine.
 402  */
 403 #define WSAMAKEASYNCREPLY(buflen,error)     MAKELONG(buflen,error)
 404 /*
 405  * WSAMAKESELECTREPLY is intended for use by the Windows Sockets implementation
 406  * when constructing the response to WSAAsyncSelect().
 407  */
 408 #define WSAMAKESELECTREPLY(event,error)     MAKELONG(event,error)
 409 /*
 410  * WSAGETASYNCBUFLEN is intended for use by the Windows Sockets application
 411  * to extract the buffer length from the lParam in the response
 412  * to a WSAGetXByY().
 413  */
 414 #define WSAGETASYNCBUFLEN(lParam)           LOWORD(lParam)
 415 /*
 416  * WSAGETASYNCERROR is intended for use by the Windows Sockets application
 417  * to extract the error code from the lParam in the response
 418  * to a WSAGetXByY().
 419  */
 420 #define WSAGETASYNCERROR(lParam)            HIWORD(lParam)
 421 /*
 422  * WSAGETSELECTEVENT is intended for use by the Windows Sockets application
 423  * to extract the event code from the lParam in the response
 424  * to a WSAAsyncSelect().
 425  */
 426 #define WSAGETSELECTEVENT(lParam)           LOWORD(lParam)
 427 /*
 428  * WSAGETSELECTERROR is intended for use by the Windows Sockets application
 429  * to extract the error code from the lParam in the response
 430  * to a WSAAsyncSelect().
 431  */
 432 #define WSAGETSELECTERROR(lParam)           HIWORD(lParam)
 433
 434 /* ----------------------------------- internal structures */
 435
 436 /* ws_... struct conversion flags */
 437
 438 #define WS_DUP_NATIVE           0x0001          /* native structure format (not ws_..) */
 439 #define WS_DUP_OFFSET           0x0002          /* internal pointers are offsets */
 440 #define WS_DUP_SEGPTR           0x0004          /* internal pointers are SEGPTRs */
 441                                                 /* by default, internal pointers are linear */
 442 /* async DNS op flags */
 443
 444 #define AOP_IO                  0x0000001       /* aop_control paramaters */
 445
 446 #define AOP_CONTROL_REMOVE      0x0000000       /* aop_control return values */
 447 #define AOP_CONTROL_KEEP        0x0000001
 448
 449 typedef struct  __aop
 450 {
 451   /* AOp header */
 452
 453   struct __aop *next, *prev;
 454   int           fd[2];                          /* pipe */
 455   int   (*aop_control)(struct __aop*, int);     /* SIGIO handler */
 456   pid_t         pid;                            /* child process pid */
 457
 458   /* custom data */
 459
 460   HWND16        hWnd;                           /* hWnd to post */
 461   UINT16        uMsg;                           /* uMsg message to. */
 462
 463   SEGPTR        buffer_base;                    /* buffer to copy result to */
 464   UINT16        buflen;
 465   UINT16        flags;                          /* WSMSG_ASYNC_... */
 466 } ws_async_op;
 467
 468 #define WSMSG_ASYNC_HOSTBYNAME  0x0001
 469 #define WSMSG_ASYNC_HOSTBYADDR  0x0002
 470 #define WSMSG_ASYNC_PROTOBYNAME 0x0010
 471 #define WSMSG_ASYNC_PROTOBYNUM  0x0020
 472 #define WSMSG_ASYNC_SERVBYNAME  0x0100
 473 #define WSMSG_ASYNC_SERVBYPORT  0x0200
 474 #define WSMSG_DEAD_AOP          0x8000
 475
 476 typedef struct __sop    /* WSAAsyncSelect() control struct */
 477 {
 478   struct __sop *next, *prev;
 479
 480   struct __ws*  pws;
 481   HWND16        hWnd;
 482   UINT16        uMsg;
 483 } ws_select_op;
 484
 485 typedef struct  __ws    /* socket */
 486 {
 487   int           fd;
 488   unsigned      flags;
 489   ws_select_op* psop;
 490 } ws_socket;
 491
 492 #define WS_MAX_SOCKETS_PER_THREAD       16
 493 #define WS_MAX_UDP_DATAGRAM             1024
 494
 495 #define WSI_BLOCKINGCALL        0x00000001      /* per-thread info flags */
 496 #define WSI_BLOCKINGHOOK32      0x00000002      /* 32-bit callback */
 497
 498 typedef struct _WSINFO
 499 {
 500   struct _WSINFO*       prev,*next;
 501
 502   unsigned              flags;
 503   INT32                 err;                    /* WSAGetLastError() return value */
 504   INT16                 num_startup;            /* reference counter */
 505   INT16                 num_async_rq;
 506   INT16                 last_free;              /* entry in the socket table */
 507   UINT16                buflen;
 508   char*                 buffer;                 /* allocated from SEGPTR heap */
 509   char*                 dbuffer;                /* buffer for dummies (32 bytes) */
 510
 511   ws_socket             sock[WS_MAX_SOCKETS_PER_THREAD];
 512   DWORD                 blocking_hook;
 513   HTASK16               tid;                    /* owning task id - process might be better */
 514 } WSINFO, *LPWSINFO;
 515
 516 int WS_dup_he(LPWSINFO pwsi, struct hostent* p_he, int flag);
 517 int WS_dup_pe(LPWSINFO pwsi, struct protoent* p_pe, int flag);
 518 int WS_dup_se(LPWSINFO pwsi, struct servent* p_se, int flag);
 519
 520 void WS_do_async_gethost(LPWSINFO, unsigned);
 521 void WS_do_async_getproto(LPWSINFO, unsigned);
 522 void WS_do_async_getserv(LPWSINFO, unsigned);
 523
 524 int WINSOCK_async_io(int fd, int async);
 525 int WINSOCK_unblock_io(int fd, int noblock);
 526
 527 int  WINSOCK_check_async_op(ws_async_op* p_aop);
 528 void WINSOCK_link_async_op(ws_async_op* p_aop);
 529 void WINSOCK_unlink_async_op(ws_async_op* p_aop);
 530 int  WINSOCK_cancel_async_op(ws_async_op* p_aop);
 531
 532 void WINSOCK_cancel_task_aops(HTASK16, void (*__memfree)(void*) );
 533
 534 BOOL32 WINSOCK_HandleIO(int* fd_max, int num_pending, fd_set io_set[3] );
 535 void   WINSOCK_Shutdown(void);
 536 UINT16 wsaErrno(void);
 537 UINT16 wsaHerrno(void);
 538
 539 #endif  /* _WINSOCKAPI_ */
 540