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diff --git a/hesiod/hesiod.h b/hesiod/hesiod.h
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+/* $Id$ */
+
+/*
+ * Copyright (c) 1996 by Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM DISCLAIMS
+ * ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL INTERNET SOFTWARE
+ * CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
+ * ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
+ * SOFTWARE.
+ */
+
+#ifndef HESIOD__INCLUDED
+#define HESIOD__INCLUDED
+
+#include <sys/types.h>
+#include <pwd.h>
+#include <netdb.h>
+
+/* Application-visible define to signal that we have the new interfaces. */
+#define HESIOD_INTERFACES
+
+struct hesiod_postoffice {
+  char *hesiod_po_type;
+  char *hesiod_po_host;
+  char *hesiod_po_name;
+};
+
+int hesiod_init(void **context);
+void hesiod_end(void *context);
+char *hesiod_to_bind(void *context, const char *name, const char *type);
+char **hesiod_resolve(void *context, const char *name, const char *type);
+void hesiod_free_list(void *context, char **list);
+struct passwd *hesiod_getpwnam(void *context, const char *name);
+struct passwd *hesiod_getpwuid(void *context, uid_t uid);
+void hesiod_free_passwd(void *context, struct passwd *pw);
+struct servent *hesiod_getservbyname(void *context, const char *name,
+				     const char *proto);
+void hesiod_free_servent(void *context, struct servent *serv);
+struct hesiod_postoffice *hesiod_getmailhost(void *context, const char *user);
+void hesiod_free_postoffice(void *context, struct hesiod_postoffice *po);
+
+/* Compatibility stuff. */
+
+#define HES_ER_UNINIT	-1	/* uninitialized */
+#define HES_ER_OK	0	/* no error */
+#define HES_ER_NOTFOUND	1	/* Hesiod name not found by server */
+#define HES_ER_CONFIG	2	/* local problem (no config file?) */
+#define HES_ER_NET	3	/* network problem */
+
+struct hes_postoffice {
+  char *po_type;
+  char *po_host;
+  char *po_name;
+};
+
+int hes_init(void);
+char *hes_to_bind(const char *name, const char *type);
+char **hes_resolve(const char *name, const char *type);
+int hes_error(void);
+struct passwd *hes_getpwnam(const char *name);
+struct passwd *hes_getpwuid(uid_t uid);
+struct servent *hes_getservbyname(const char *name, const char *proto);
+struct hes_postoffice *hes_getmailhost(const char *name);
+
+#endif