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sockdefs.h

Go to the documentation of this file.

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


#ifndef INADDR_ANY
#define INADDR_ANY ((unsigned long) 0)
#endif


#ifndef HOSTENT_DEFINED
#define HOSTENT_DEFINED
struct hostent
{
  char *h_name;                 /* official name of host */
  char **h_aliases;             /* alias list */
  int h_addrtype;               /* host address type */
  int h_length;                 /* length of address */
  char **h_addr_list;           /* list of addresses from name server */
#ifndef h_addr
#define h_addr  h_addr_list[0]  /* address, for backward compatiblity */
#endif
};
#endif

/*
 * Internet address (old style... should be updated)
 */
#ifndef IN_ADDR_DEFINED
#define IN_ADDR_DEFINED
struct in_addr
{
  union
  {
    struct
    {
      unsigned char s_b1, s_b2, s_b3, s_b4;
    }
    S_un_b;
    struct
    {
      unsigned short s_w1, s_w2;
    }
    S_un_w;
    unsigned long S_addr;
  }
  S_un;
#define s_addr  S_un.S_addr     /* can be used for most tcp & ip code */
#define s_host  S_un.S_un_b.s_b2        /* host on imp */
#define s_net   S_un.S_un_b.s_b1        /* network */
#define s_imp   S_un.S_un_w.s_w2        /* imp */
#define s_impno S_un.S_un_b.s_b4        /* imp # */
#define s_lh    S_un.S_un_b.s_b3        /* logical host */
};
#endif

/*
 * Structure used by kernel to store most
 * addresses.
 */
#ifndef SOCKADDR_DEFINED
#define SOCKADDR_DEFINED
struct sockaddr
{
  unsigned short sa_family;     /* address family */
  char sa_data[14];             /* up to 14 bytes of direct address */
};
#endif


/*
 * Socket address, internet style.
 */
#ifndef SOCKADDR_IN_DEFINED
#define SOCKADDR_IN_DEFINED
struct sockaddr_in
{
  short sin_family;
  unsigned short sin_port;
  struct in_addr sin_addr;
  char sin_zero[8];
};
#endif

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

#ifndef IOVEC_DEFINED
#define IOVEC_DEFINED
struct iovec
{
  char RCS_FAR *iov_base;
  int iov_len;
};
typedef struct iovec iovec_t;
#endif

#ifndef MSGHDR_DEFINED
#define MSGHDR_DEFINED
/*
 * Message header for recvmsg and sendmsg calls.
 */
struct msghdr
{
  char RCS_FAR *msg_name;       /* optional address */
  int msg_namelen;              /* size of address */
  struct iovec RCS_FAR *msg_iov;        /* scatter/gather array */
  int msg_iovlen;               /* # elements in msg_iov */
  char RCS_FAR *msg_accrights;  /* access rights sent/received */
  int msg_accrightslen;
};
#endif

#ifdef _WINDOWS


#ifndef HINSTANCE_ERROR
#define HINSTANCE_ERROR (32)
#endif

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