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diff --git a/intl/icu/source/common/uarrsort.h b/intl/icu/source/common/uarrsort.h
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+++ b/intl/icu/source/common/uarrsort.h
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+/*
+*******************************************************************************
+*
+*   Copyright (C) 2003, International Business Machines
+*   Corporation and others.  All Rights Reserved.
+*
+*******************************************************************************
+*   file name:  uarrsort.h
+*   encoding:   US-ASCII
+*   tab size:   8 (not used)
+*   indentation:4
+*
+*   created on: 2003aug04
+*   created by: Markus W. Scherer
+*
+*   Internal function for sorting arrays.
+*/
+
+#ifndef __UARRSORT_H__
+#define __UARRSORT_H__
+
+#include "unicode/utypes.h"
+
+U_CDECL_BEGIN
+/**
+ * Function type for comparing two items as part of sorting an array or similar.
+ * Callback function for uprv_sortArray().
+ *
+ * @param context Application-specific pointer, passed through by uprv_sortArray().
+ * @param left    Pointer to the "left" item.
+ * @param right   Pointer to the "right" item.
+ * @return 32-bit signed integer comparison result:
+ *                <0 if left<right
+ *               ==0 if left==right
+ *                >0 if left>right
+ *
+ * @internal
+ */
+typedef int32_t U_CALLCONV
+UComparator(const void *context, const void *left, const void *right);
+U_CDECL_END
+
+/**
+ * Array sorting function.
+ * Uses a UComparator for comparing array items to each other, and simple
+ * memory copying to move items.
+ *
+ * @param array      The array to be sorted.
+ * @param length     The number of items in the array.
+ * @param itemSize   The size in bytes of each array item.
+ * @param cmp        UComparator function used to compare two items each.
+ * @param context    Application-specific pointer, passed through to the UComparator.
+ * @param sortStable If true, a stable sorting algorithm must be used.
+ * @param pErrorCode ICU in/out UErrorCode parameter.
+ *
+ * @internal
+ */
+U_CAPI void U_EXPORT2
+uprv_sortArray(void *array, int32_t length, int32_t itemSize,
+               UComparator *cmp, const void *context,
+               UBool sortStable, UErrorCode *pErrorCode);
+
+/**
+ * Convenience UComparator implementation for uint16_t arrays.
+ * @internal
+ */
+U_CAPI int32_t U_EXPORT2
+uprv_uint16Comparator(const void *context, const void *left, const void *right);
+
+/**
+ * Convenience UComparator implementation for int32_t arrays.
+ * @internal
+ */
+U_CAPI int32_t U_EXPORT2
+uprv_int32Comparator(const void *context, const void *left, const void *right);
+
+/**
+ * Convenience UComparator implementation for uint32_t arrays.
+ * @internal
+ */
+U_CAPI int32_t U_EXPORT2
+uprv_uint32Comparator(const void *context, const void *left, const void *right);
+
+#endif