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diff --git a/lib/multiif.h b/lib/multiif.h
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+#ifndef HEADER_CURL_MULTIIF_H
+#define HEADER_CURL_MULTIIF_H
+/***************************************************************************
+ * _ _ ____ _
+ * Project ___| | | | _ \| |
+ * / __| | | | |_) | |
+ * | (__| |_| | _ <| |___
+ * \___|\___/|_| \_\_____|
+ *
+ * Copyright (C) 1998 - 2010, Daniel Stenberg, <daniel@haxx.se>, et al.
+ *
+ * This software is licensed as described in the file COPYING, which
+ * you should have received as part of this distribution. The terms
+ * are also available at http://curl.haxx.se/docs/copyright.html.
+ *
+ * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+ * copies of the Software, and permit persons to whom the Software is
+ * furnished to do so, under the terms of the COPYING file.
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+ * KIND, either express or implied.
+ *
+ ***************************************************************************/
+
+/*
+ * Prototypes for library-wide functions provided by multi.c
+ */
+void Curl_expire(struct SessionHandle *data, long milli);
+
+bool Curl_multi_canPipeline(const struct Curl_multi* multi);
+void Curl_multi_handlePipeBreak(struct SessionHandle *data);
+
+/* the write bits start at bit 16 for the *getsock() bitmap */
+#define GETSOCK_WRITEBITSTART 16
+
+#define GETSOCK_BLANK 0 /* no bits set */
+
+/* set the bit for the given sock number to make the bitmap for writable */
+#define GETSOCK_WRITESOCK(x) (1 << (GETSOCK_WRITEBITSTART + (x)))
+
+/* set the bit for the given sock number to make the bitmap for readable */
+#define GETSOCK_READSOCK(x) (1 << (x))
+
+#ifdef DEBUGBUILD
+ /*
+ * Curl_multi_dump is not a stable public function, this is only meant to
+ * allow easier tracking of the internal handle's state and what sockets
+ * they use. Only for research and development DEBUGBUILD enabled builds.
+ */
+void Curl_multi_dump(const struct Curl_multi *multi_handle);
+#endif
+
+#endif /* HEADER_CURL_MULTIIF_H */
+