[Feature][ZXW-33]merge ZXW 0428 version
Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/resolv/res_hconf.h b/ap/libc/glibc/glibc-2.23/resolv/res_hconf.h
new file mode 100644
index 0000000..b97734d
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/resolv/res_hconf.h
@@ -0,0 +1,47 @@
+/* Copyright (C) 1993-2016 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by David Mosberger (davidm@azstarnet.com).
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library; if not, see
+ <http://www.gnu.org/licenses/>. */
+
+#ifndef _RES_HCONF_H_
+#define _RES_HCONF_H_
+
+#include <netdb.h>
+
+#define TRIMDOMAINS_MAX 4
+
+struct hconf
+{
+ int initialized;
+ int unused1;
+ int unused2[4];
+ int num_trimdomains;
+ const char *trimdomain[TRIMDOMAINS_MAX];
+ unsigned int flags;
+# define HCONF_FLAG_INITED (1 << 0) /* initialized? */
+# define HCONF_FLAG_SPOOF (1 << 1) /* refuse spoofed addresses */
+# define HCONF_FLAG_SPOOFALERT (1 << 2) /* syslog warning of spoofed */
+# define HCONF_FLAG_REORDER (1 << 3) /* list best address first */
+# define HCONF_FLAG_MULTI (1 << 4) /* see comments for gethtbyname() */
+};
+extern struct hconf _res_hconf;
+
+extern void _res_hconf_init (void);
+extern void _res_hconf_trim_domain (char *domain);
+extern void _res_hconf_trim_domains (struct hostent *hp);
+extern void _res_hconf_reorder_addrs (struct hostent *hp);
+
+#endif /* _RES_HCONF_H_ */