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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.
Multibyte string traversal and indexing methodsThis section describes the following ITLocale methods for converting built-in data types to an internal representation.
The MPrevChar methodThis method returns a pointer to the first byte of the multibyte character before the multibyte character c, where s is a pointer to the beginning of the multibyte string that contains c.

The MPrevChar method

This method returns a pointer to the first byte of the multibyte character before the multibyte character c, where s is a pointer to the beginning of the multibyte string that contains c.

char *MPrevChar(const char *s, const char *c) const

If there is an error, this method returns NULL. Call ITLocale::GetError() to retrieve a specific error message.

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