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/************************************************
sockport.h -
$Author$
$Date$
created at: Fri Apr 30 23:19:34 JST 1999
************************************************/
#ifndef SOCKPORT_H
#define SOCKPORT_H
#ifndef SA_LEN
# ifdef HAVE_SA_LEN
# define SA_LEN(sa) (sa)->sa_len
# else
# ifdef INET6
# define SA_LEN(sa) \
(((sa)->sa_family == AF_INET6) ? sizeof(struct sockaddr_in6) \
: sizeof(struct sockaddr))
# else
/* by tradition, sizeof(struct sockaddr) covers most of the sockaddrs */
# define SA_LEN(sa) (sizeof(struct sockaddr))
# endif
# endif
#endif
#ifdef HAVE_SA_LEN
# define SET_SA_LEN(sa, len) (sa)->sa_len = (len)
#else
# define SET_SA_LEN(sa, len) (len)
#endif
#ifdef HAVE_SIN_LEN
# define SIN_LEN(si) (si)->sin_len
# define SET_SIN_LEN(si,len) (si)->sin_len = (len)
#else
# define SIN_LEN(si) sizeof(struct sockaddr_in)
# define SET_SIN_LEN(si,len)
#endif
#ifndef IN_MULTICAST
# define IN_CLASSD(i) (((long)(i) & 0xf0000000) == 0xe0000000)
# define IN_MULTICAST(i) IN_CLASSD(i)
#endif
#ifndef IN_EXPERIMENTAL
# define IN_EXPERIMENTAL(i) ((((long)(i)) & 0xe0000000) == 0xe0000000)
#endif
#ifndef IN_CLASSA_NSHIFT
# define IN_CLASSA_NSHIFT 24
#endif
#ifndef IN_LOOPBACKNET
# define IN_LOOPBACKNET 127
#endif
#ifndef AF_UNSPEC
# define AF_UNSPEC 0
#endif
#ifndef PF_UNSPEC
# define PF_UNSPEC AF_UNSPEC
#endif
#ifndef PF_INET
# define PF_INET AF_INET
#endif
#if defined(HOST_NOT_FOUND) && !defined(h_errno) && !defined(__CYGWIN__)
extern int h_errno;
#endif
#endif
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