1 files changed, 44 insertions, 0 deletions
diff --git a/unix/os/net/netdb.h b/unix/os/net/netdb.h
new file mode 100644
index 00000000..cddd2305
--- /dev/null
+++ b/unix/os/net/netdb.h
@@ -0,0 +1,44 @@
+/*	%M%	%I%	%E%	*/
+/*
+ * Structures returned by network
+ * data base library.  All addresses
+ * are supplied in host order, and
+ * returned in network order (suitable
+ * for use in system calls).
+ */
+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;	/* address */
+};
+
+/*
+ * Assumption here is that a network number
+ * 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 # */
+};
+
+struct	servent {
+	char	*s_name;	/* official service name */
+	char	**s_aliases;	/* alias list */
+	int	s_port;		/* port # */
+	char	*s_proto;	/* protocol to use */
+};
+
+struct	protoent {
+	char	*p_name;	/* official protocol name */
+	char	**p_aliases;	/* alias list */
+	int	p_proto;	/* protocol # */
+};
+
+struct hostent	*gethostbyname(), *gethostbyaddr(), *gethostent();
+struct netent	*getnetbyname(), *getnetbyaddr(), *getnetent();
+struct servent	*getservbyname(), *getservbyport(), *getservent();
+struct protoent	*getprotobyname(), *getprotobynumber(), *getprotoent();