+/**
+ * Add the likely subtags for a provided locale ID, per the algorithm described
+ * in the following CLDR technical report:
+ *
+ * http://www.unicode.org/reports/tr35/#Likely_Subtags
+ *
+ * If localeID is already in the maximal form, or there is no data available
+ * for maximization, it will be copied to the output buffer. For example,
+ * "und-Zzzz" cannot be maximized, since there is no reasonable maximization.
+ *
+ * Examples:
+ *
+ * "en" maximizes to "en_Latn_US"
+ *
+ * "de" maximizes to "de_Latn_US"
+ *
+ * "sr" maximizes to "sr_Cyrl_RS"
+ *
+ * "sh" maximizes to "sr_Latn_RS" (Note this will not reverse.)
+ *
+ * "zh_Hani" maximizes to "zh_Hans_CN" (Note this will not reverse.)
+ *
+ * @param localeID The locale to maximize
+ * @param maximizedLocaleID The maximized locale
+ * @param maximizedLocaleIDCapacity The capacity of the maximizedLocaleID buffer
+ * @param err Error information if maximizing the locale failed. If the length
+ * of the localeID and the null-terminator is greater than the maximum allowed size,
+ * or the localeId is not well-formed, the error code is U_ILLEGAL_ARGUMENT_ERROR.
+ * @return The actual buffer size needed for the maximized locale. If it's
+ * greater than maximizedLocaleIDCapacity, the returned ID will be truncated.
+ * On error, the return value is -1.
+ * @stable ICU 4.0
+ */
+U_STABLE int32_t U_EXPORT2
+uloc_addLikelySubtags(const char* localeID,
+ char* maximizedLocaleID,
+ int32_t maximizedLocaleIDCapacity,
+ UErrorCode* err);
+
+
+/**
+ * Minimize the subtags for a provided locale ID, per the algorithm described
+ * in the following CLDR technical report:
+ *
+ * http://www.unicode.org/reports/tr35/#Likely_Subtags
+ *
+ * If localeID is already in the minimal form, or there is no data available
+ * for minimization, it will be copied to the output buffer. Since the
+ * minimization algorithm relies on proper maximization, see the comments
+ * for uloc_addLikelySubtags for reasons why there might not be any data.
+ *
+ * Examples:
+ *
+ * "en_Latn_US" minimizes to "en"
+ *
+ * "de_Latn_US" minimizes to "de"
+ *
+ * "sr_Cyrl_RS" minimizes to "sr"
+ *
+ * "zh_Hant_TW" minimizes to "zh_TW" (The region is preferred to the
+ * script, and minimizing to "zh" would imply "zh_Hans_CN".)
+ *
+ * @param localeID The locale to minimize
+ * @param minimizedLocaleID The minimized locale
+ * @param minimizedLocaleIDCapacity The capacity of the minimizedLocaleID buffer
+ * @param err Error information if minimizing the locale failed. If the length
+ * of the localeID and the null-terminator is greater than the maximum allowed size,
+ * or the localeId is not well-formed, the error code is U_ILLEGAL_ARGUMENT_ERROR.
+ * @return The actual buffer size needed for the minimized locale. If it's
+ * greater than minimizedLocaleIDCapacity, the returned ID will be truncated.
+ * On error, the return value is -1.
+ * @stable ICU 4.0
+ */
+U_STABLE int32_t U_EXPORT2
+uloc_minimizeSubtags(const char* localeID,
+ char* minimizedLocaleID,
+ int32_t minimizedLocaleIDCapacity,
+ UErrorCode* err);
+
+/**
+ * Returns a locale ID for the specified BCP47 language tag string.
+ * If the specified language tag contains any ill-formed subtags,
+ * the first such subtag and all following subtags are ignored.
+ * <p>
+ * This implements the 'Language-Tag' production of BCP47, and so
+ * supports grandfathered (regular and irregular) as well as private
+ * use language tags. Private use tags are represented as 'x-whatever',
+ * and grandfathered tags are converted to their canonical replacements
+ * where they exist. Note that a few grandfathered tags have no modern
+ * replacement, these will be converted using the fallback described in
+ * the first paragraph, so some information might be lost.
+ * @param langtag the input BCP47 language tag.
+ * @param localeID the output buffer receiving a locale ID for the
+ * specified BCP47 language tag.
+ * @param localeIDCapacity the size of the locale ID output buffer.
+ * @param parsedLength if not NULL, succsessfully parsed length
+ * for the input language tag is set.
+ * @param err error information if receiving the locald ID
+ * failed.
+ * @return the length of the locale ID.
+ * @draft ICU 4.2
+ */
+U_DRAFT int32_t U_EXPORT2
+uloc_forLanguageTag(const char* langtag,
+ char* localeID,
+ int32_t localeIDCapacity,
+ int32_t* parsedLength,
+ UErrorCode* err);
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