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Client APIs and toolsYou can use the HCL Informix® implementation of client APIs to develop applications for Informix® database servers.
GLS User's GuideThe Informix® GLS User's Guide describes the Global Language Support (GLS) feature available in Informix® products.
GLS environment variablesHCL Informix® products establish the client, database, and server locales with information from GLS-related environment variables and from data that is stored in the database.
GLS-related environment variablesThese topics list the GLS-related environment variables that you can set for HCL Informix® database servers and SQL API products.
GLS8BITFSYS environment variableUse the GLS8BITFSYS environment variable to tell HCL Informix® products (such as the Informix® ESQL/C processor) whether the operating system is 8-bit clean.
Restrictions on non-ASCII file namesIf your locale supports a code set with non-ASCII characters, restrictions apply to file names for operating-system files that Informix® products generate.
The client code setWhen the Informix® ESQL/C processor creates a file whose file name has non-ASCII characters, the client locale must support these non-ASCII characters.

The client code set

When the Informix® ESQL/C processor creates a file whose file name has non-ASCII characters, the client locale must support these non-ASCII characters.

Before you start the Informix database server, you must ensure that the code set of the client locale (the client code set) contains these characters.

When you use a nondefault locale, you must set the CLIENT_LOCALE environment variable to the name of a locale whose code set contains these non-ASCII characters.

If the code sets that are associated with the file name and with the client locale do not match, a valid file name might contain invalid characters with respect to the client locale. The Informix ESQL/C processor rejects any file name that contains invalid characters and the following error message is displayed:

Illegal characters in filename.

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