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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