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diff --git a/9/platforms/android-21/arch-x86/usr/include/dlfcn.h b/9/platforms/android-21/arch-x86/usr/include/dlfcn.h
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+++ b/9/platforms/android-21/arch-x86/usr/include/dlfcn.h
@@ -0,0 +1,81 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+#ifndef __DLFCN_H__
+#define __DLFCN_H__
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+typedef struct {
+ const char *dli_fname; /* Pathname of shared object that
+ contains address */
+ void *dli_fbase; /* Address at which shared object
+ is loaded */
+ const char *dli_sname; /* Name of nearest symbol with address
+ lower than addr */
+ void *dli_saddr; /* Exact address of symbol named
+ in dli_sname */
+} Dl_info;
+
+extern void* dlopen(const char* filename, int flag);
+extern int dlclose(void* handle);
+extern const char* dlerror(void);
+extern void* dlsym(void* handle, const char* symbol);
+extern int dladdr(const void* addr, Dl_info *info);
+
+enum {
+#if defined(__LP64__)
+ RTLD_NOW = 2,
+#else
+ RTLD_NOW = 0,
+#endif
+ RTLD_LAZY = 1,
+
+ RTLD_LOCAL = 0,
+#if defined(__LP64__)
+ RTLD_GLOBAL = 0x00100,
+#else
+ RTLD_GLOBAL = 2,
+#endif
+ RTLD_NOLOAD = 4,
+};
+
+#if defined (__LP64__)
+#define RTLD_DEFAULT ((void*) 0)
+#define RTLD_NEXT ((void*) -1L)
+#else
+#define RTLD_DEFAULT ((void*) 0xffffffff)
+#define RTLD_NEXT ((void*) 0xfffffffe)
+#endif
+
+__END_DECLS
+
+#endif /* __DLFCN_H */
+
+