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  1. /* WINSOCK.H--definitions to be used with the WINSOCK.DLL
  2.  * Copyright (c) 1993-1995, Microsoft Corp. All rights reserved.
  3.  *
  4.  * This header file corresponds to version 1.1 of the Windows Sockets specification.
  5.  *
  6.  * This file includes parts which are Copyright (c) 1982-1986 Regents
  7.  * of the University of California.  All rights reserved.  The
  8.  * Berkeley Software License Agreement specifies the terms and
  9.  * conditions for redistribution.
  10.  *
  11.  */
  12.  
  13. #ifndef _WINSOCKAPI_
  14. #define _WINSOCKAPI_
  15.  
  16. #define FAR
  17. #define PASCAL
  18.  
  19. /*
  20.  * Basic system type definitions, taken from the BSD file sys/types.h.
  21.  */
  22. typedef unsigned char   u_char;
  23. typedef unsigned short  u_short;
  24. typedef unsigned int    u_int;
  25. typedef unsigned long   u_long;
  26.  
  27. /*
  28.  * The new type to be used in all
  29.  * instances which refer to sockets.
  30.  */
  31. typedef u_int           SOCKET;
  32.  
  33. // FIXME
  34. #if 0
  35. /*
  36.  * Select uses arrays of SOCKETs.  These macros manipulate such
  37.  * arrays.  FD_SETSIZE may be defined by the user before including
  38.  * this file, but the default here should be >= 64.
  39.  *
  40.  * CAVEAT IMPLEMENTOR and USER: THESE MACROS AND TYPES MUST BE
  41.  * INCLUDED IN WINSOCK.H EXACTLY AS SHOWN HERE.
  42.  */
  43. #ifndef FD_SETSIZE
  44. #define FD_SETSIZE      64
  45. #endif /* FD_SETSIZE */
  46.  
  47. typedef struct fd_set {
  48.         u_int   fd_count;               /* how many are SET? */
  49.         SOCKET  fd_array[FD_SETSIZE];   /* an array of SOCKETs */
  50. } fd_set;
  51.  
  52. #ifdef __cplusplus
  53. extern "C" {
  54. #endif
  55.  
  56. extern int PASCAL FAR __WSAFDIsSet(SOCKET, fd_set FAR *);
  57.  
  58. #ifdef __cplusplus
  59. }
  60. #endif
  61.  
  62.  
  63. #define FD_CLR(fd, set) do { \
  64.     u_int __i; \
  65.     for (__i = 0; __i < ((fd_set FAR *)(set))->fd_count ; __i++) { \
  66.         if (((fd_set FAR *)(set))->fd_array[__i] == fd) { \
  67.             while (__i < ((fd_set FAR *)(set))->fd_count-1) { \
  68.                 ((fd_set FAR *)(set))->fd_array[__i] = \
  69.                     ((fd_set FAR *)(set))->fd_array[__i+1]; \
  70.                 __i++; \
  71.             } \
  72.             ((fd_set FAR *)(set))->fd_count--; \
  73.             break; \
  74.         } \
  75.     } \
  76. } while(0)
  77.  
  78. #define FD_SET(fd, set) do { \
  79.     if (((fd_set FAR *)(set))->fd_count < FD_SETSIZE) \
  80.         ((fd_set FAR *)(set))->fd_array[((fd_set FAR *)(set))->fd_count++]=(fd);\
  81. } while(0)
  82.  
  83. #define FD_ZERO(set) (((fd_set FAR *)(set))->fd_count=0)
  84.  
  85. #define FD_ISSET(fd, set) __WSAFDIsSet((SOCKET)(fd), (fd_set FAR *)(set))
  86.  
  87. /*
  88.  * Structure used in select() call, taken from the BSD file sys/time.h.
  89.  */
  90. struct timeval {
  91.         long    tv_sec;         /* seconds */
  92.         long    tv_usec;        /* and microseconds */
  93. };
  94.  
  95. /*
  96.  * Operations on timevals.
  97.  *
  98.  * NB: timercmp does not work for >= or <=.
  99.  */
  100. #define timerisset(tvp)         ((tvp)->tv_sec || (tvp)->tv_usec)
  101. #define timercmp(tvp, uvp, cmp) \
  102.         ((tvp)->tv_sec cmp (uvp)->tv_sec || \
  103.          (tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec)
  104. #define timerclear(tvp)         (tvp)->tv_sec = (tvp)->tv_usec = 0
  105. #endif
  106.  
  107. /*
  108.  * Commands for ioctlsocket(),  taken from the BSD file fcntl.h.
  109.  *
  110.  *
  111.  * Ioctl's have the command encoded in the lower word,
  112.  * and the size of any in or out parameters in the upper
  113.  * word.  The high 2 bits of the upper word are used
  114.  * to encode the in/out status of the parameter; for now
  115.  * we restrict parameters to at most 128 bytes.
  116.  */
  117. #define IOCPARM_MASK    0x7f            /* parameters must be < 128 bytes */
  118. #define IOC_VOID        0x20000000      /* no parameters */
  119. #define IOC_OUT         0x40000000      /* copy out parameters */
  120. #define IOC_IN          0x80000000      /* copy in parameters */
  121. #define IOC_INOUT       (IOC_IN|IOC_OUT)
  122.                                         /* 0x20000000 distinguishes new &
  123.                                            old ioctl's */
  124. #define _IO(x,y)        (IOC_VOID|((x)<<8)|(y))
  125.  
  126. #define _IOR(x,y,t)     (IOC_OUT|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
  127.  
  128. #define _IOW(x,y,t)     (IOC_IN|(((long)sizeof(t)&IOCPARM_MASK)<<16)|((x)<<8)|(y))
  129.  
  130. #define FIONREAD    _IOR('f', 127, u_long) /* get # bytes to read */
  131. #define FIONBIO     _IOW('f', 126, u_long) /* set/clear non-blocking i/o */
  132. #define FIOASYNC    _IOW('f', 125, u_long) /* set/clear async i/o */
  133.  
  134. /* Socket I/O Controls */
  135. #define SIOCSHIWAT  _IOW('s',  0, u_long)  /* set high watermark */
  136. #define SIOCGHIWAT  _IOR('s',  1, u_long)  /* get high watermark */
  137. #define SIOCSLOWAT  _IOW('s',  2, u_long)  /* set low watermark */
  138. #define SIOCGLOWAT  _IOR('s',  3, u_long)  /* get low watermark */
  139. #define SIOCATMARK  _IOR('s',  7, u_long)  /* at oob mark? */
  140.  
  141. /*
  142.  * Structures returned by network data base library, taken from the
  143.  * BSD file netdb.h.  All addresses are supplied in host order, and
  144.  * returned in network order (suitable for use in system calls).
  145.  */
  146.  
  147. struct  hostent {
  148.         char    FAR * h_name;           /* official name of host */
  149.         char    FAR * FAR * h_aliases;  /* alias list */
  150.         short   h_addrtype;             /* host address type */
  151.         short   h_length;               /* length of address */
  152.         char    FAR * FAR * h_addr_list; /* list of addresses */
  153. #define h_addr  h_addr_list[0]          /* address, for backward compat */
  154. };
  155.  
  156. /*
  157.  * It is assumed here that a network number
  158.  * fits in 32 bits.
  159.  */
  160. struct  netent {
  161.         char    FAR * n_name;           /* official name of net */
  162.         char    FAR * FAR * n_aliases;  /* alias list */
  163.         short   n_addrtype;             /* net address type */
  164.         u_long  n_net;                  /* network # */
  165. };
  166.  
  167. struct  servent {
  168.         char    FAR * s_name;           /* official service name */
  169.         char    FAR * FAR * s_aliases;  /* alias list */
  170.         short   s_port;                 /* port # */
  171.         char    FAR * s_proto;          /* protocol to use */
  172. };
  173.  
  174. struct  protoent {
  175.         char    FAR * p_name;           /* official protocol name */
  176.         char    FAR * FAR * p_aliases;  /* alias list */
  177.         short   p_proto;                /* protocol # */
  178. };
  179.  
  180. /*
  181.  * Constants and structures defined by the internet system,
  182.  * Per RFC 790, September 1981, taken from the BSD file netinet/in.h.
  183.  */
  184.  
  185. /*
  186.  * Protocols
  187.  */
  188. #define IPPROTO_IP              0               /* dummy for IP */
  189. #define IPPROTO_ICMP            1               /* control message protocol */
  190. #define IPPROTO_GGP             2               /* gateway^2 (deprecated) */
  191. #define IPPROTO_TCP             6               /* tcp */
  192. #define IPPROTO_PUP             12              /* pup */
  193. #define IPPROTO_UDP             17              /* user datagram protocol */
  194. #define IPPROTO_IDP             22              /* xns idp */
  195. #define IPPROTO_ND              77              /* UNOFFICIAL net disk proto */
  196.  
  197. #define IPPROTO_RAW             255             /* raw IP packet */
  198. #define IPPROTO_MAX             256
  199.  
  200. /*
  201.  * Port/socket numbers: network standard functions
  202.  */
  203. #define IPPORT_ECHO             7
  204. #define IPPORT_DISCARD          9
  205. #define IPPORT_SYSTAT           11
  206. #define IPPORT_DAYTIME          13
  207. #define IPPORT_NETSTAT          15
  208. #define IPPORT_FTP              21
  209. #define IPPORT_TELNET           23
  210. #define IPPORT_SMTP             25
  211. #define IPPORT_TIMESERVER       37
  212. #define IPPORT_NAMESERVER       42
  213. #define IPPORT_WHOIS            43
  214. #define IPPORT_MTP              57
  215.  
  216. /*
  217.  * Port/socket numbers: host specific functions
  218.  */
  219. #define IPPORT_TFTP             69
  220. #define IPPORT_RJE              77
  221. #define IPPORT_FINGER           79
  222. #define IPPORT_TTYLINK          87
  223. #define IPPORT_SUPDUP           95
  224.  
  225. /*
  226.  * UNIX TCP sockets
  227.  */
  228. #define IPPORT_EXECSERVER       512
  229. #define IPPORT_LOGINSERVER      513
  230. #define IPPORT_CMDSERVER        514
  231. #define IPPORT_EFSSERVER        520
  232.  
  233. /*
  234.  * UNIX UDP sockets
  235.  */
  236. #define IPPORT_BIFFUDP          512
  237. #define IPPORT_WHOSERVER        513
  238. #define IPPORT_ROUTESERVER      520
  239.                                         /* 520+1 also used */
  240.  
  241. /*
  242.  * Ports < IPPORT_RESERVED are reserved for
  243.  * privileged processes (e.g. root).
  244.  */
  245. #define IPPORT_RESERVED         1024
  246.  
  247. /*
  248.  * Link numbers
  249.  */
  250. #define IMPLINK_IP              155
  251. #define IMPLINK_LOWEXPER        156
  252. #define IMPLINK_HIGHEXPER       158
  253.  
  254. /*
  255.  * Internet address (old style... should be updated)
  256.  */
  257. struct in_addr {
  258.         union {
  259.                 struct { u_char s_b1,s_b2,s_b3,s_b4; } S_un_b;
  260.                 struct { u_short s_w1,s_w2; } S_un_w;
  261.                 u_long S_addr;
  262.         } S_un;
  263. #define s_addr  S_un.S_addr
  264.                                 /* can be used for most tcp & ip code */
  265. #define s_host  S_un.S_un_b.s_b2
  266.                                 /* host on imp */
  267. #define s_net   S_un.S_un_b.s_b1
  268.                                 /* network */
  269. #define s_imp   S_un.S_un_w.s_w2
  270.                                 /* imp */
  271. #define s_impno S_un.S_un_b.s_b4
  272.                                 /* imp # */
  273. #define s_lh    S_un.S_un_b.s_b3
  274.                                 /* logical host */
  275. };
  276.  
  277. /*
  278.  * Definitions of bits in internet address integers.
  279.  * On subnets, the decomposition of addresses to host and net parts
  280.  * is done according to subnet mask, not the masks here.
  281.  */
  282. #define IN_CLASSA(i)            (((long)(i) & 0x80000000) == 0)
  283. #define IN_CLASSA_NET           0xff000000
  284. #define IN_CLASSA_NSHIFT        24
  285. #define IN_CLASSA_HOST          0x00ffffff
  286. #define IN_CLASSA_MAX           128
  287.  
  288. #define IN_CLASSB(i)            (((long)(i) & 0xc0000000) == 0x80000000)
  289. #define IN_CLASSB_NET           0xffff0000
  290. #define IN_CLASSB_NSHIFT        16
  291. #define IN_CLASSB_HOST          0x0000ffff
  292. #define IN_CLASSB_MAX           65536
  293.  
  294. #define IN_CLASSC(i)            (((long)(i) & 0xe0000000) == 0xc0000000)
  295. #define IN_CLASSC_NET           0xffffff00
  296. #define IN_CLASSC_NSHIFT        8
  297. #define IN_CLASSC_HOST          0x000000ff
  298.  
  299. #define INADDR_ANY              (u_long)0x00000000
  300. #define INADDR_LOOPBACK         0x7f000001
  301. #define INADDR_BROADCAST        (u_long)0xffffffff
  302. #define INADDR_NONE             0xffffffff
  303.  
  304. /*
  305.  * Socket address, internet style.
  306.  */
  307. struct sockaddr_in {
  308.         short   sin_family;
  309.         u_short sin_port;
  310.         struct  in_addr sin_addr;
  311.         char    sin_zero[8];
  312. };
  313.  
  314. #define WSADESCRIPTION_LEN      256
  315. #define WSASYS_STATUS_LEN       128
  316.  
  317.  
  318. /*
  319.  * Options for use with [gs]etsockopt at the IP level.
  320.  */
  321. #define IP_OPTIONS          1           /* set/get IP per-packet options    */
  322. #define IP_MULTICAST_IF     2           /* set/get IP multicast interface   */
  323. #define IP_MULTICAST_TTL    3           /* set/get IP multicast timetolive  */
  324. #define IP_MULTICAST_LOOP   4           /* set/get IP multicast loopback    */
  325. #define IP_ADD_MEMBERSHIP   5           /* add  an IP group membership      */
  326. #define IP_DROP_MEMBERSHIP  6           /* drop an IP group membership      */
  327.  
  328. #define IP_DEFAULT_MULTICAST_TTL   1    /* normally limit m'casts to 1 hop  */
  329. #define IP_DEFAULT_MULTICAST_LOOP  1    /* normally hear sends if a member  */
  330. #define IP_MAX_MEMBERSHIPS         20   /* per socket; must fit in one mbuf */
  331.  
  332. /*
  333.  * Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP.
  334.  */
  335. struct ip_mreq {
  336.         struct in_addr  imr_multiaddr;  /* IP multicast address of group */
  337.         struct in_addr  imr_interface;  /* local IP address of interface */
  338. };
  339.  
  340. /*
  341.  * Definitions related to sockets: types, address families, options,
  342.  * taken from the BSD file sys/socket.h.
  343.  */
  344.  
  345. /*
  346.  * This is used instead of -1, since the
  347.  * SOCKET type is unsigned.
  348.  */
  349. #define INVALID_SOCKET  (SOCKET)(~0)
  350. #define SOCKET_ERROR            (-1)
  351.  
  352. /*
  353.  * Types
  354.  */
  355. #define SOCK_STREAM     1               /* stream socket */
  356. #define SOCK_DGRAM      2               /* datagram socket */
  357. #define SOCK_RAW        3               /* raw-protocol interface */
  358. #define SOCK_RDM        4               /* reliably-delivered message */
  359. #define SOCK_SEQPACKET  5               /* sequenced packet stream */
  360.  
  361. /*
  362.  * Option flags per-socket.
  363.  */
  364. #define SO_DEBUG        0x0001          /* turn on debugging info recording */
  365. #define SO_ACCEPTCONN   0x0002          /* socket has had listen() */
  366. #define SO_REUSEADDR    0x0004          /* allow local address reuse */
  367. #define SO_KEEPALIVE    0x0008          /* keep connections alive */
  368. #define SO_DONTROUTE    0x0010          /* just use interface addresses */
  369. #define SO_BROADCAST    0x0020          /* permit sending of broadcast msgs */
  370. #define SO_USELOOPBACK  0x0040          /* bypass hardware when possible */
  371. #define SO_LINGER       0x0080          /* linger on close if data present */
  372. #define SO_OOBINLINE    0x0100          /* leave received OOB data in line */
  373.  
  374. #define SO_DONTLINGER   (u_int)(~SO_LINGER)
  375.  
  376. /*
  377.  * Additional options.
  378.  */
  379. #define SO_SNDBUF       0x1001          /* send buffer size */
  380. #define SO_RCVBUF       0x1002          /* receive buffer size */
  381. #define SO_SNDLOWAT     0x1003          /* send low-water mark */
  382. #define SO_RCVLOWAT     0x1004          /* receive low-water mark */
  383. #define SO_SNDTIMEO     0x1005          /* send timeout */
  384. #define SO_RCVTIMEO     0x1006          /* receive timeout */
  385. #define SO_ERROR        0x1007          /* get error status and clear */
  386. #define SO_TYPE         0x1008          /* get socket type */
  387.  
  388. /*
  389.  * Options for connect and disconnect data and options.  Used only by
  390.  * non-TCP/IP transports such as DECNet, OSI TP4, etc.
  391.  */
  392. #define SO_CONNDATA     0x7000
  393. #define SO_CONNOPT      0x7001
  394. #define SO_DISCDATA     0x7002
  395. #define SO_DISCOPT      0x7003
  396. #define SO_CONNDATALEN  0x7004
  397. #define SO_CONNOPTLEN   0x7005
  398. #define SO_DISCDATALEN  0x7006
  399. #define SO_DISCOPTLEN   0x7007
  400.  
  401. /*
  402.  * Option for opening sockets for synchronous access.
  403.  */
  404. #define SO_OPENTYPE     0x7008
  405.  
  406. #define SO_SYNCHRONOUS_ALERT    0x10
  407. #define SO_SYNCHRONOUS_NONALERT 0x20
  408.  
  409. /*
  410.  * Other NT-specific options.
  411.  */
  412. #define SO_MAXDG        0x7009
  413. #define SO_MAXPATHDG    0x700A
  414.  
  415. /*
  416.  * TCP options.
  417.  */
  418. #define TCP_NODELAY     0x0001
  419. #define TCP_BSDURGENT   0x7000
  420.  
  421. /*
  422.  * Address families.
  423.  */
  424. #define AF_UNSPEC       0               /* unspecified */
  425. #define AF_UNIX         1               /* local to host (pipes, portals) */
  426. #define AF_INET         2               /* internetwork: UDP, TCP, etc. */
  427. #define AF_IMPLINK      3               /* arpanet imp addresses */
  428. #define AF_PUP          4               /* pup protocols: e.g. BSP */
  429. #define AF_CHAOS        5               /* mit CHAOS protocols */
  430. #define AF_IPX          6               /* IPX and SPX */
  431. #define AF_NS           6               /* XEROX NS protocols */
  432. #define AF_ISO          7               /* ISO protocols */
  433. #define AF_OSI          AF_ISO          /* OSI is ISO */
  434. #define AF_ECMA         8               /* european computer manufacturers */
  435. #define AF_DATAKIT      9               /* datakit protocols */
  436. #define AF_CCITT        10              /* CCITT protocols, X.25 etc */
  437. #define AF_SNA          11              /* IBM SNA */
  438. #define AF_DECnet       12              /* DECnet */
  439. #define AF_DLI          13              /* Direct data link interface */
  440. #define AF_LAT          14              /* LAT */
  441. #define AF_HYLINK       15              /* NSC Hyperchannel */
  442. #define AF_APPLETALK    16              /* AppleTalk */
  443. #define AF_NETBIOS      17              /* NetBios-style addresses */
  444. #define AF_VOICEVIEW    18              /* VoiceView */
  445.  
  446. #define AF_MAX          19
  447.  
  448. /*
  449.  * Structure used by kernel to store most
  450.  * addresses.
  451.  */
  452. struct sockaddr {
  453.         u_short sa_family;              /* address family */
  454.         char    sa_data[14];            /* up to 14 bytes of direct address */
  455. };
  456.  
  457. /*
  458.  * Structure used by kernel to pass protocol
  459.  * information in raw sockets.
  460.  */
  461. struct sockproto {
  462.         u_short sp_family;              /* address family */
  463.         u_short sp_protocol;            /* protocol */
  464. };
  465.  
  466. /*
  467.  * Protocol families, same as address families for now.
  468.  */
  469. #define PF_UNSPEC       AF_UNSPEC
  470. #define PF_UNIX         AF_UNIX
  471. #define PF_INET         AF_INET
  472. #define PF_IMPLINK      AF_IMPLINK
  473. #define PF_PUP          AF_PUP
  474. #define PF_CHAOS        AF_CHAOS
  475. #define PF_NS           AF_NS
  476. #define PF_IPX          AF_IPX
  477. #define PF_ISO          AF_ISO
  478. #define PF_OSI          AF_OSI
  479. #define PF_ECMA         AF_ECMA
  480. #define PF_DATAKIT      AF_DATAKIT
  481. #define PF_CCITT        AF_CCITT
  482. #define PF_SNA          AF_SNA
  483. #define PF_DECnet       AF_DECnet
  484. #define PF_DLI          AF_DLI
  485. #define PF_LAT          AF_LAT
  486. #define PF_HYLINK       AF_HYLINK
  487. #define PF_APPLETALK    AF_APPLETALK
  488. #define PF_VOICEVIEW    AF_VOICEVIEW
  489.  
  490. #define PF_MAX          AF_MAX
  491.  
  492. /*
  493.  * Structure used for manipulating linger option.
  494.  */
  495. struct  linger {
  496.         u_short l_onoff;                /* option on/off */
  497.         u_short l_linger;               /* linger time */
  498. };
  499.  
  500. /*
  501.  * Level number for (get/set)sockopt() to apply to socket itself.
  502.  */
  503. #define SOL_SOCKET      0xffff          /* options for socket level */
  504.  
  505. /*
  506.  * Maximum queue length specifiable by listen.
  507.  */
  508. #define SOMAXCONN       5
  509.  
  510. #define MSG_OOB         0x1             /* process out-of-band data */
  511. #define MSG_PEEK        0x2             /* peek at incoming message */
  512. #define MSG_DONTROUTE   0x4             /* send without using routing tables */
  513.  
  514. #define MSG_MAXIOVLEN   16
  515.  
  516. #define MSG_PARTIAL     0x8000          /* partial send or recv for message xport */
  517.  
  518. /*
  519.  * Define constant based on rfc883, used by gethostbyxxxx() calls.
  520.  */
  521. #define MAXGETHOSTSTRUCT        1024
  522.  
  523. /*
  524.  * Define flags to be used with the WSAAsyncSelect() call.
  525.  */
  526. #define FD_READ         0x01
  527. #define FD_WRITE        0x02
  528. #define FD_OOB          0x04
  529. #define FD_ACCEPT       0x08
  530. #define FD_CONNECT      0x10
  531. #define FD_CLOSE        0x20
  532.  
  533. /*
  534.  * All Windows Sockets error constants are biased by WSABASEERR from
  535.  * the "normal"
  536.  */
  537. #define WSABASEERR              10000
  538. /*
  539.  * Windows Sockets definitions of regular Microsoft C error constants
  540.  */
  541. #define WSAEINTR                (WSABASEERR+4)
  542. #define WSAEBADF                (WSABASEERR+9)
  543. #define WSAEACCES               (WSABASEERR+13)
  544. #define WSAEFAULT               (WSABASEERR+14)
  545. #define WSAEINVAL               (WSABASEERR+22)
  546. #define WSAEMFILE               (WSABASEERR+24)
  547.  
  548. /*
  549.  * Windows Sockets definitions of regular Berkeley error constants
  550.  */
  551. #define WSAEWOULDBLOCK          (WSABASEERR+35)
  552. #define WSAEINPROGRESS          (WSABASEERR+36)
  553. #define WSAEALREADY             (WSABASEERR+37)
  554. #define WSAENOTSOCK             (WSABASEERR+38)
  555. #define WSAEDESTADDRREQ         (WSABASEERR+39)
  556. #define WSAEMSGSIZE             (WSABASEERR+40)
  557. #define WSAEPROTOTYPE           (WSABASEERR+41)
  558. #define WSAENOPROTOOPT          (WSABASEERR+42)
  559. #define WSAEPROTONOSUPPORT      (WSABASEERR+43)
  560. #define WSAESOCKTNOSUPPORT      (WSABASEERR+44)
  561. #define WSAEOPNOTSUPP           (WSABASEERR+45)
  562. #define WSAEPFNOSUPPORT         (WSABASEERR+46)
  563. #define WSAEAFNOSUPPORT         (WSABASEERR+47)
  564. #define WSAEADDRINUSE           (WSABASEERR+48)
  565. #define WSAEADDRNOTAVAIL        (WSABASEERR+49)
  566. #define WSAENETDOWN             (WSABASEERR+50)
  567. #define WSAENETUNREACH          (WSABASEERR+51)
  568. #define WSAENETRESET            (WSABASEERR+52)
  569. #define WSAECONNABORTED         (WSABASEERR+53)
  570. #define WSAECONNRESET           (WSABASEERR+54)
  571. #define WSAENOBUFS              (WSABASEERR+55)
  572. #define WSAEISCONN              (WSABASEERR+56)
  573. #define WSAENOTCONN             (WSABASEERR+57)
  574. #define WSAESHUTDOWN            (WSABASEERR+58)
  575. #define WSAETOOMANYREFS         (WSABASEERR+59)
  576. #define WSAETIMEDOUT            (WSABASEERR+60)
  577. #define WSAECONNREFUSED         (WSABASEERR+61)
  578. #define WSAELOOP                (WSABASEERR+62)
  579. #define WSAENAMETOOLONG         (WSABASEERR+63)
  580. #define WSAEHOSTDOWN            (WSABASEERR+64)
  581. #define WSAEHOSTUNREACH         (WSABASEERR+65)
  582. #define WSAENOTEMPTY            (WSABASEERR+66)
  583. #define WSAEPROCLIM             (WSABASEERR+67)
  584. #define WSAEUSERS               (WSABASEERR+68)
  585. #define WSAEDQUOT               (WSABASEERR+69)
  586. #define WSAESTALE               (WSABASEERR+70)
  587. #define WSAEREMOTE              (WSABASEERR+71)
  588.  
  589. #define WSAEDISCON              (WSABASEERR+101)
  590.  
  591. /*
  592.  * Extended Windows Sockets error constant definitions
  593.  */
  594. #define WSASYSNOTREADY          (WSABASEERR+91)
  595. #define WSAVERNOTSUPPORTED      (WSABASEERR+92)
  596. #define WSANOTINITIALISED       (WSABASEERR+93)
  597.  
  598. /*
  599.  * Error return codes from gethostbyname() and gethostbyaddr()
  600.  * (when using the resolver). Note that these errors are
  601.  * retrieved via WSAGetLastError() and must therefore follow
  602.  * the rules for avoiding clashes with error numbers from
  603.  * specific implementations or language run-time systems.
  604.  * For this reason the codes are based at WSABASEERR+1001.
  605.  * Note also that [WSA]NO_ADDRESS is defined only for
  606.  * compatibility purposes.
  607.  */
  608.  
  609. #define h_errno         WSAGetLastError()
  610.  
  611. /* Authoritative Answer: Host not found */
  612. #define WSAHOST_NOT_FOUND       (WSABASEERR+1001)
  613. #define HOST_NOT_FOUND          WSAHOST_NOT_FOUND
  614.  
  615. /* Non-Authoritative: Host not found, or SERVERFAIL */
  616. #define WSATRY_AGAIN            (WSABASEERR+1002)
  617. #define TRY_AGAIN               WSATRY_AGAIN
  618.  
  619. /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
  620. #define WSANO_RECOVERY          (WSABASEERR+1003)
  621. #define NO_RECOVERY             WSANO_RECOVERY
  622.  
  623. /* Valid name, no data record of requested type */
  624. #define WSANO_DATA              (WSABASEERR+1004)
  625. #define NO_DATA                 WSANO_DATA
  626.  
  627. /* no address, look for MX record */
  628. #define WSANO_ADDRESS           WSANO_DATA
  629. #define NO_ADDRESS              WSANO_ADDRESS
  630.  
  631. /*
  632.  * Windows Sockets errors redefined as regular Berkeley error constants.
  633.  * These are commented out in Windows NT to avoid conflicts with errno.h.
  634.  * Use the WSA constants instead.
  635.  */
  636. #if 0
  637. #define EWOULDBLOCK             WSAEWOULDBLOCK
  638. #define EINPROGRESS             WSAEINPROGRESS
  639. #define EALREADY                WSAEALREADY
  640. #define ENOTSOCK                WSAENOTSOCK
  641. #define EDESTADDRREQ            WSAEDESTADDRREQ
  642. #define EMSGSIZE                WSAEMSGSIZE
  643. #define EPROTOTYPE              WSAEPROTOTYPE
  644. #define ENOPROTOOPT             WSAENOPROTOOPT
  645. #define EPROTONOSUPPORT         WSAEPROTONOSUPPORT
  646. #define ESOCKTNOSUPPORT         WSAESOCKTNOSUPPORT
  647. #define EOPNOTSUPP              WSAEOPNOTSUPP
  648. #define EPFNOSUPPORT            WSAEPFNOSUPPORT
  649. #define EAFNOSUPPORT            WSAEAFNOSUPPORT
  650. #define EADDRINUSE              WSAEADDRINUSE
  651. #define EADDRNOTAVAIL           WSAEADDRNOTAVAIL
  652. #define ENETDOWN                WSAENETDOWN
  653. #define ENETUNREACH             WSAENETUNREACH
  654. #define ENETRESET               WSAENETRESET
  655. #define ECONNABORTED            WSAECONNABORTED
  656. #define ECONNRESET              WSAECONNRESET
  657. #define ENOBUFS                 WSAENOBUFS
  658. #define EISCONN                 WSAEISCONN
  659. #define ENOTCONN                WSAENOTCONN
  660. #define ESHUTDOWN               WSAESHUTDOWN
  661. #define ETOOMANYREFS            WSAETOOMANYREFS
  662. #define ETIMEDOUT               WSAETIMEDOUT
  663. #define ECONNREFUSED            WSAECONNREFUSED
  664. #define ELOOP                   WSAELOOP
  665. #define ENAMETOOLONG            WSAENAMETOOLONG
  666. #define EHOSTDOWN               WSAEHOSTDOWN
  667. #define EHOSTUNREACH            WSAEHOSTUNREACH
  668. #define ENOTEMPTY               WSAENOTEMPTY
  669. #define EPROCLIM                WSAEPROCLIM
  670. #define EUSERS                  WSAEUSERS
  671. #define EDQUOT                  WSAEDQUOT
  672. #define ESTALE                  WSAESTALE
  673. #define EREMOTE                 WSAEREMOTE
  674. #endif
  675.  
  676. /* Socket function prototypes */
  677.  
  678. #ifdef __cplusplus
  679. extern "C" {
  680. #endif
  681.  
  682. SOCKET PASCAL FAR accept (SOCKET s, struct sockaddr FAR *addr,
  683.                           int FAR *addrlen);
  684.  
  685. int PASCAL FAR bind (SOCKET s, const struct sockaddr FAR *addr, int namelen);
  686.  
  687. int PASCAL FAR closesocket (SOCKET s);
  688.  
  689. int PASCAL FAR connect (SOCKET s, const struct sockaddr FAR *name, int namelen);
  690.  
  691. int PASCAL FAR ioctlsocket (SOCKET s, long cmd, u_long FAR *argp);
  692.  
  693. int PASCAL FAR getpeername (SOCKET s, struct sockaddr FAR *name,
  694.                             int FAR * namelen);
  695.  
  696. int PASCAL FAR getsockname (SOCKET s, struct sockaddr FAR *name,
  697.                             int FAR * namelen);
  698.  
  699. int PASCAL FAR getsockopt (SOCKET s, int level, int optname,
  700.                            char FAR * optval, int FAR *optlen);
  701.  
  702. u_long PASCAL FAR htonl (u_long hostlong);
  703.  
  704. u_short PASCAL FAR htons (u_short hostshort);
  705.  
  706. unsigned long PASCAL FAR inet_addr (const char FAR * cp);
  707.  
  708. char FAR * PASCAL FAR inet_ntoa (struct in_addr in);
  709.  
  710. int PASCAL FAR listen (SOCKET s, int backlog);
  711.  
  712. u_long PASCAL FAR ntohl (u_long netlong);
  713.  
  714. u_short PASCAL FAR ntohs (u_short netshort);
  715.  
  716. int PASCAL FAR recv (SOCKET s, char FAR * buf, int len, int flags);
  717.  
  718. int PASCAL FAR recvfrom (SOCKET s, char FAR * buf, int len, int flags,
  719.                          struct sockaddr FAR *from, int FAR * fromlen);
  720.  
  721. #if 0
  722. int PASCAL FAR select (int nfds, fd_set FAR *readfds, fd_set FAR *writefds,
  723.                        fd_set FAR *exceptfds, const struct timeval FAR *timeout);
  724. #endif
  725.  
  726. int PASCAL FAR send (SOCKET s, const char FAR * buf, int len, int flags);
  727.  
  728. int PASCAL FAR sendto (SOCKET s, const char FAR * buf, int len, int flags,
  729.                        const struct sockaddr FAR *to, int tolen);
  730.  
  731. int PASCAL FAR setsockopt (SOCKET s, int level, int optname,
  732.                            const char FAR * optval, int optlen);
  733.  
  734. int PASCAL FAR shutdown (SOCKET s, int how);
  735.  
  736. SOCKET PASCAL FAR socket (int af, int type, int protocol);
  737.  
  738. /* Database function prototypes */
  739.  
  740. struct hostent FAR * PASCAL FAR gethostbyaddr(const char FAR * addr,
  741.                                               int len, int type);
  742.  
  743. struct hostent FAR * PASCAL FAR gethostbyname(const char FAR * name);
  744.  
  745. int PASCAL FAR gethostname (char FAR * name, int namelen);
  746.  
  747. struct servent FAR * PASCAL FAR getservbyport(int port, const char FAR * proto);
  748.  
  749. struct servent FAR * PASCAL FAR getservbyname(const char FAR * name,
  750.                                               const char FAR * proto);
  751.  
  752. struct protoent FAR * PASCAL FAR getprotobynumber(int proto);
  753.  
  754. struct protoent FAR * PASCAL FAR getprotobyname(const char FAR * name);
  755.  
  756. #ifdef __cplusplus
  757. }
  758. #endif
  759.  
  760. /* Microsoft Windows Extended data types */
  761. typedef struct sockaddr SOCKADDR;
  762. typedef struct sockaddr *PSOCKADDR;
  763. typedef struct sockaddr FAR *LPSOCKADDR;
  764.  
  765. typedef struct sockaddr_in SOCKADDR_IN;
  766. typedef struct sockaddr_in *PSOCKADDR_IN;
  767. typedef struct sockaddr_in FAR *LPSOCKADDR_IN;
  768.  
  769. typedef struct linger LINGER;
  770. typedef struct linger *PLINGER;
  771. typedef struct linger FAR *LPLINGER;
  772.  
  773. typedef struct in_addr IN_ADDR;
  774. typedef struct in_addr *PIN_ADDR;
  775. typedef struct in_addr FAR *LPIN_ADDR;
  776.  
  777. typedef struct fd_set FD_SET;
  778. typedef struct fd_set *PFD_SET;
  779. typedef struct fd_set FAR *LPFD_SET;
  780.  
  781. typedef struct hostent HOSTENT;
  782. typedef struct hostent *PHOSTENT;
  783. typedef struct hostent FAR *LPHOSTENT;
  784.  
  785. typedef struct servent SERVENT;
  786. typedef struct servent *PSERVENT;
  787. typedef struct servent FAR *LPSERVENT;
  788.  
  789. typedef struct protoent PROTOENT;
  790. typedef struct protoent *PPROTOENT;
  791. typedef struct protoent FAR *LPPROTOENT;
  792.  
  793. typedef struct timeval TIMEVAL;
  794. typedef struct timeval *PTIMEVAL;
  795. typedef struct timeval FAR *LPTIMEVAL;
  796.  
  797. #endif  /* _WINSOCKAPI_ */
  798.