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Client APIs and toolsYou can use the HCL Informix® implementation of client APIs to develop applications for Informix® database servers.
APIThe Informix® GLS API Programmer's Guide describes the global language support (GLS) application programming interface (API) available in Informix® ESQL/C and HCL Informix® DataBlade® modules.
Character processingThese topics describe the character-processing capabilities of the library.
Other operationsIn addition to the operations on characters and strings, the library provides support for terminating characters and strings, allocating memory for characters and strings, and truncating and fragmenting strings.
Keep multibyte strings consistentYou must take special measures to perform truncation and fragmentation operations on multibyte strings so that you do not split a multibyte character.

Keep multibyte strings consistent

You must take special measures to perform truncation and fragmentation operations on multibyte strings so that you do not split a multibyte character.

Truncation: Makes a long character string fit into a smaller buffer.
Fragmentation: Breaks a long character string into two or more nonadjacent buffers to meet the memory-management requirements of their components.

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