BSD 4_3 release

[unix-history] / usr / src / include / netdb.h

diff --git a/usr/src/include/netdb.h b/usr/src/include/netdb.h
index 140da55..762e4a5 100644 (file)
--- a/usr/src/include/netdb.h
+++ b/usr/src/include/netdb.h
@@ -1,4 +1,11 @@
-/*     netdb.h 4.1     82/10/05        */
+/*
+ * Copyright (c) 1980 Regents of the University of California.
+ * All rights reserved.  The Berkeley software License Agreement
+ * specifies the terms and conditions for redistribution.
+ *
+ *     @(#)netdb.h     5.7 (Berkeley) 5/12/86
+ */
+

 /*
  * Structures returned by network
  * data base library.  All addresses
 /*
  * Structures returned by network
  * data base library.  All addresses


@@ -11,7 +18,8 @@ struct        hostent {
        char    **h_aliases;    /* alias list */
        int     h_addrtype;     /* host address type */
        int     h_length;       /* length of address */
        char    **h_aliases;    /* alias list */
        int     h_addrtype;     /* host address type */
        int     h_length;       /* length of address */

-       char    *h_addr;        /* address */
+       char    **h_addr_list;  /* list of addresses from name server */
+#define        h_addr  h_addr_list[0]  /* address, for backward compatiblity */

 };
 
 /*
 };
 
 /*


@@ -19,10 +27,10 @@ struct      hostent {
  * fits in 32 bits -- probably a poor one.
  */
 struct netent {
  * fits in 32 bits -- probably a poor one.
  */
 struct netent {

-       char    *n_name;        /* official name of net */
-       char    **n_aliases;    /* alias list */
-       int     n_addrtype;     /* net address type */
-       int     n_net;          /* network # */
+       char            *n_name;        /* official name of net */
+       char            **n_aliases;    /* alias list */
+       int             n_addrtype;     /* net address type */
+       unsigned long   n_net;          /* network # */

 };
 
 struct servent {
 };
 
 struct servent {


@@ -42,3 +50,14 @@ struct hostent       *gethostbyname(), *gethostbyaddr(), *gethostent();
 struct netent  *getnetbyname(), *getnetbyaddr(), *getnetent();
 struct servent *getservbyname(), *getservbyport(), *getservent();
 struct protoent        *getprotobyname(), *getprotobynumber(), *getprotoent();
 struct netent  *getnetbyname(), *getnetbyaddr(), *getnetent();
 struct servent *getservbyname(), *getservbyport(), *getservent();
 struct protoent        *getprotobyname(), *getprotobynumber(), *getprotoent();

+
+/*
+ * Error return codes from gethostbyname() and gethostbyaddr()
+ */
+
+extern  int h_errno;   
+
+#define        HOST_NOT_FOUND  1 /* Authoritive Answer Host not found */
+#define        TRY_AGAIN       2 /* Non-Authoritive Host not found, or SERVERFAIL */
+#define        NO_RECOVERY     3 /* Non recoverable errors, FORMERR, REFUSED, NOTIMP */
+#define NO_ADDRESS     4 /* Valid host name, no address, look for MX record */