zte's code,first commit

Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libc/string/strndup.c b/ap/build/uClibc/libc/string/strndup.c
new file mode 100644
index 0000000..8e60866
--- /dev/null
+++ b/ap/build/uClibc/libc/string/strndup.c
@@ -0,0 +1,25 @@
+/*
+ * Copyright (C) 2002     Manuel Novoa III
+ * Copyright (C) 2000-2005 Erik Andersen <andersen@uclibc.org>
+ *
+ * Licensed under the LGPL v2.1, see the file COPYING.LIB in this tarball.
+ */
+
+#include "_string.h"
+#include <stdlib.h>
+
+
+char *strndup(register const char *s1, size_t n)
+{
+	register char *s;
+
+	n = strnlen(s1,n);			/* Avoid problems if s1 not nul-terminated. */
+
+    if ((s = malloc(n + 1)) != NULL) {
+		memcpy(s, s1, n);
+		s[n] = 0;
+	}
+
+	return s;
+}
+libc_hidden_def(strndup)