external/ibm-public/postfix/dist/src/util/inet_proto.h

   1 /*      $NetBSD$        */
   2
   3 #ifndef _INET_PROTO_INFO_H_INCLUDED_
   4 #define _INET_PROTO_INFO_H_INCLUDED_
   5
   6 /*++
   7 /* NAME
   8 /*      inet_proto_info 3h
   9 /* SUMMARY
  10 /*      convert protocol names to assorted constants
  11 /* SYNOPSIS
  12 /*      #include <inet_proto_info.h>
  13  DESCRIPTION
  14  .nf
  15
  16  /*
  17   * External interface.
  18   */
  19 typedef struct {
  20     unsigned int ai_family;             /* PF_UNSPEC, PF_INET, or PF_INET6 */
  21     unsigned int *ai_family_list;       /* PF_INET and/or PF_INET6 */
  22     unsigned int *dns_atype_list;       /* TAAAA and/or TA */
  23     unsigned char *sa_family_list;      /* AF_INET6 and/or AF_INET */
  24 } INET_PROTO_INFO;
  25
  26  /*
  27   * Some compilers won't link initialized data unless we call a function in
  28   * the same source file. Therefore, inet_proto_info() is a function instead
  29   * of a global variable.
  30   */
  31 #define inet_proto_info() \
  32     (inet_proto_table ? inet_proto_table : \
  33         inet_proto_init("default protocol setting", DEF_INET_PROTOCOLS))
  34
  35 extern INET_PROTO_INFO *inet_proto_init(const char *, const char *);
  36 extern INET_PROTO_INFO *inet_proto_table;
  37
  38 #define INET_PROTO_NAME_IPV6    "ipv6"
  39 #define INET_PROTO_NAME_IPV4    "ipv4"
  40 #define INET_PROTO_NAME_ALL     "all"
  41
  42 /* LICENSE
  43 /* .ad
  44 /* .fi
  45 /*      The Secure Mailer license must be distributed with this software.
  46 /* AUTHOR(S)
  47 /*      Wietse Venema
  48 /*      IBM T.J. Watson Research
  49 /*      P.O. Box 704
  50 /*      Yorktown Heights, NY 10598, USA
  51 /*--*/
  52
  53 #endif