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commit a7ff1da8239a5f0e1927db9d5310f53cfea97fc2
Author: Florian Weimer <fweimer@redhat.com>
Date:   Thu Apr 13 10:52:27 2017 +0200

    resolv: Remove internal and unused definitions from <resolv.h>
    
    The RES_F_* constants are only used with the private _res._flags
    member.  RES_EXHAUSTIVE is unused.  The removed function
    declarations refer to functions not actually exported by glibc,
    so they are unusable by applications.

diff --git a/resolv/res_debug.c b/resolv/res_debug.c
index 14557dd323f5f4b2..e23559bad3d92e71 100644
--- a/resolv/res_debug.c
+++ b/resolv/res_debug.c
@@ -115,6 +115,8 @@
 
 extern const char *_res_sectioncodes[] attribute_hidden;
 
+static const char *p_section(int section, int opcode);
+
 /*
  * Print the current options.
  */
@@ -512,7 +514,7 @@ libresolv_hidden_def (p_type)
 /*
  * Return a string for the type.
  */
-const char *
+static const char *
 p_section(int section, int opcode) {
 	const struct res_sym *symbols;
 
diff --git a/resolv/res_query.c b/resolv/res_query.c
index 57156d01ec3c9fc2..c3ebcbf6b50fcf4b 100644
--- a/resolv/res_query.c
+++ b/resolv/res_query.c
@@ -74,6 +74,7 @@
 #include <errno.h>
 #include <netdb.h>
 #include <resolv.h>
+#include <resolv/resolv-internal.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
diff --git a/resolv/res_send.c b/resolv/res_send.c
index 93db5b9a615ffde7..77d59dcc4e3b8d23 100644
--- a/resolv/res_send.c
+++ b/resolv/res_send.c
@@ -101,7 +101,7 @@
 #include <errno.h>
 #include <fcntl.h>
 #include <netdb.h>
-#include <resolv.h>
+#include <resolv/resolv-internal.h>
 #include <signal.h>
 #include <stdio.h>
 #include <stdlib.h>
diff --git a/resolv/resolv-internal.h b/resolv/resolv-internal.h
index 76fbe2f1a61b79bb..0d69ce10d33afcc5 100644
--- a/resolv/resolv-internal.h
+++ b/resolv/resolv-internal.h
@@ -22,6 +22,12 @@
 #include <resolv.h>
 #include <stdbool.h>
 
+/* Resolver flags.  Used for _flags in struct __res_state.  */
+#define RES_F_VC        0x00000001 /* Socket is TCP.  */
+#define RES_F_CONN      0x00000002 /* Socket is connected.  */
+#define RES_F_EDNS0ERR  0x00000004 /* EDNS0 caused errors.  */
+
+
 /* Internal version of RES_USE_INET6 which does not trigger a
    deprecation warning.  */
 #define DEPRECATED_RES_USE_INET6 0x00002000
diff --git a/resolv/resolv.h b/resolv/resolv.h
index 7809e2eb194f48ef..9fef8e9f248c84e6 100644
--- a/resolv/resolv.h
+++ b/resolv/resolv.h
@@ -163,16 +163,6 @@ struct res_sym {
 };
 
 /*
- * Resolver flags (used to be discrete per-module statics ints).
- */
-#define	RES_F_VC	0x00000001	/* socket is TCP */
-#define	RES_F_CONN	0x00000002	/* socket is connected */
-#define RES_F_EDNS0ERR	0x00000004	/* EDNS0 caused errors */
-
-/* res_findzonecut() options */
-#define	RES_EXHAUSTIVE	0x00000001	/* always do all queries */
-
-/*
  * Resolver options (keep these in synch with res_debug.c, please)
  */
 #define RES_INIT	0x00000001	/* address initialized */
@@ -285,7 +275,6 @@ __END_DECLS
 #define p_fqnname		__p_fqnname
 #define p_option		__p_option
 #define p_secstodate		__p_secstodate
-#define p_section		__p_section
 #define p_time			__p_time
 #define p_type			__p_type
 #define p_rcode			__p_rcode
@@ -299,12 +288,10 @@ __END_DECLS
 #define res_nclose		__res_nclose
 #define res_ninit		__res_ninit
 #define res_nmkquery		__res_nmkquery
-#define res_npquery		__res_npquery
 #define res_nquery		__res_nquery
 #define res_nquerydomain	__res_nquerydomain
 #define res_nsearch		__res_nsearch
 #define res_nsend		__res_nsend
-#define res_nisourserver	__res_nisourserver
 #define res_ownok		__res_ownok
 #define res_queriesmatch	__res_queriesmatch
 #define res_randomid		__res_randomid
@@ -356,14 +343,9 @@ int		res_queriesmatch (const unsigned char *,
 				  const unsigned char *,
 				  const unsigned char *,
 				  const unsigned char *) __THROW;
-const char *	p_section (int __section, int __opcode) __THROW;
 /* Things involving a resolver context. */
 int		res_ninit (res_state) __THROW;
-int		res_nisourserver (const res_state,
-				  const struct sockaddr_in *) __THROW;
 void		fp_resstat (const res_state, FILE *) __THROW;
-void		res_npquery (const res_state, const unsigned char *, int,
-			     FILE *) __THROW;
 const char *	res_hostalias (const res_state, const char *, char *, size_t)
      __THROW;
 int		res_nquery (res_state, const char *, int, int,