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diff --git a/src/third_party/wiredtiger/examples/c/ex_pack.c b/src/third_party/wiredtiger/examples/c/ex_pack.c
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+++ b/src/third_party/wiredtiger/examples/c/ex_pack.c
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+/*-
+ * Public Domain 2014-2016 MongoDB, Inc.
+ * Public Domain 2008-2014 WiredTiger, Inc.
+ *
+ * This is free and unencumbered software released into the public domain.
+ *
+ * Anyone is free to copy, modify, publish, use, compile, sell, or
+ * distribute this software, either in source code form or as a compiled
+ * binary, for any purpose, commercial or non-commercial, and by any
+ * means.
+ *
+ * In jurisdictions that recognize copyright laws, the author or authors
+ * of this software dedicate any and all copyright interest in the
+ * software to the public domain. We make this dedication for the benefit
+ * of the public at large and to the detriment of our heirs and
+ * successors. We intend this dedication to be an overt act of
+ * relinquishment in perpetuity of all present and future rights to this
+ * software under copyright law.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ *
+ * ex_pack.c
+ *	This is an example demonstrating basic packing and unpacking of fields.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include <wiredtiger.h>
+
+static const char *home;
+
+int
+main(void)
+{
+	WT_CONNECTION *conn;
+	WT_SESSION *session;
+	int i, j, k, ret;
+
+	/*
+	 * Create a clean test directory for this run of the test program if the
+	 * environment variable isn't already set (as is done by make check).
+	 */
+	if (getenv("WIREDTIGER_HOME") == NULL) {
+		home = "WT_HOME";
+		ret = system("rm -rf WT_HOME && mkdir WT_HOME");
+	} else
+		home = NULL;
+
+	/* Open a connection to the database, creating it if necessary. */
+	if ((ret = wiredtiger_open(home, NULL, "create", &conn)) != 0)
+		fprintf(stderr, "Error connecting to %s: %s\n",
+		    home, wiredtiger_strerror(ret));
+
+	/* Open a session for the current thread's work. */
+	if ((ret = conn->open_session(conn, NULL, NULL, &session)) != 0)
+		fprintf(stderr, "Error opening a session on %s: %s\n",
+		    home, wiredtiger_strerror(ret));
+
+	{
+	/*! [packing] */
+	size_t size;
+	char buf[50];
+
+	ret = wiredtiger_struct_size(session, &size, "iii", 42, 1000, -9);
+	if (size > sizeof(buf)) {
+		/* Allocate a bigger buffer. */
+	}
+
+	ret = wiredtiger_struct_pack(session, buf, size, "iii", 42, 1000, -9);
+
+	ret = wiredtiger_struct_unpack(session, buf, size, "iii", &i, &j, &k);
+	/*! [packing] */
+	}
+
+	/* Note: closing the connection implicitly closes open session(s). */
+	if ((ret = conn->close(conn, NULL)) != 0)
+		fprintf(stderr, "Error closing %s: %s\n",
+		    home, wiredtiger_strerror(ret));
+
+	return (ret);
+}