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Client APIs and toolsYou can use the HCL Informix® implementation of client APIs to develop applications for Informix® database servers.
Informix® Object Interface for C++ GuideThe Informix® Object Interface for C++ Programmer's Guide describes how to develop HCL Informix® client applications by using the object-oriented C++ programming language.
AppendixesThis section contains additional reference information.
The ITLocale classThis section describes the ITLocale class, which encapsulates the GLS API.
Character case conversion methodsThis section describes the ITLocale methods for converting the case of characters.
The ToUpper—Wide Character methodThis method converts the wide character c to uppercase. If the wide character has no uppercase equivalent, it is copied unchanged.

The ToUpper—Wide Character method

This method converts the wide character c to uppercase. If the wide character has no uppercase equivalent, it is copied unchanged.

ITWChar ToUpper(ITWChar c) const

This method returns the uppercase character equivalent, if there is one, or the input character if there is no uppercase equivalent. If there is an error, this method returns 0. Call ITLocale::GetError() to retrieve a specific error message.

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