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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.
String operationsThe library supports string traversal and string processing operations on multibyte-character and wide-character strings.
String processingThe library provides functions for concatenation, string copying, string-length determination, and character searching. The library provides both multibyte and wide-character functions for these string-processing tasks.
String copying

String copying

The following table lists the multibyte functions and their wide-character equivalents that perform string copying.


String-processing task	Multibyte-character function	Wide-character function
Copy one character string to a specified location in a second character string. If the two strings overlap, the result of this operation is undefined.	ifx_gl_mbscpy()	ifx_gl_wcscpy()
Copy a specified number of characters from one character string to a second character string. If the two strings overlap, the result of this operation is undefined.	ifx_gl_mbsncpy()	ifx_gl_wcsncpy()

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