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diff --git a/zix/strindex.h b/zix/strindex.h
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+/*
+  Copyright 2011 David Robillard <http://drobilla.net>
+
+  Permission to use, copy, modify, and/or distribute this software for any
+  purpose with or without fee is hereby granted, provided that the above
+  copyright notice and this permission notice appear in all copies.
+
+  THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+  WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+  MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+  ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+  WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+  ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+  OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+*/
+
+#ifndef ZIX_STRINDEX_H
+#define ZIX_STRINDEX_H
+
+#include "zix/common.h"
+
+/**
+   @addtogroup zix
+   @{
+   @name Strindex
+   @{
+*/
+
+typedef struct _ZixStrindex ZixStrindex;
+
+/**
+   Construct a new strindex that contains all suffixes of the string @a s.
+   A copy of @a s is taken and stored for the lifetime of the strindex.
+*/
+ZixStrindex*
+zix_strindex_new(const char* s);
+
+/**
+   Destroy @a t.
+*/
+void
+zix_strindex_free(ZixStrindex* strindex);
+
+/**
+   Check if the string in @a strindex contains the substring @a str.
+   If such a substring is found, @a match is pointed at an occurrence of it.
+*/
+ZixStatus
+zix_strindex_find(ZixStrindex* strindex, const char* str, char** match);
+
+/**
+   @}
+   @}
+*/
+
+#endif  /* ZIX_STRINDEX_H */