--- /dev/null
+/* The following is the NetBSD libc qsort implementation modified in order to
+ * support partial sorting of ranges for Redis.
+ *
+ * Copyright(C) 2009-2010 Salvatore Sanfilippo. All rights reserved.
+ *
+ * See the pqsort.c file for the original copyright notice. */
+
+#ifndef __PQSORT_H
+#define __PQSORT_H
+
+void
+pqsort(void *a, size_t n, size_t es,
+ int (*cmp) (const void *, const void *), size_t lrange, size_t rrange);
+
+#endif