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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® ODBC Driver GuideThe Informix® ODBC Driver Programmer's Manual serves as a user guide and reference for Informix® ODBC Driver, which is the Informix® implementation of the Microsoft™ Open Database Connectivity (ODBC) interface, Version 3.0.
Overview of HCL Informix® ODBC DriverThese topics introduce the Informix® ODBC Driver and describe its advantages and architecture. The topics also describe conformance, isolation and lock levels, libraries, and environment variables.
HCL Informix® ODBC Driver componentsInformix® ODBC Driver includes the four components.
Header filesYou can use the sql.h and sqlext.h header files, which are part of the Microsoft™ compiler, to run Informix® ODBC Driver.

Header files

You can use the sql.h and sqlext.h header files, which are part of the Microsoft™ compiler, to run Informix® ODBC Driver.

To run Informix extensions, include the infxcli.h file, which is installed in INFORMIXDIR/incl/cli. This file defines Informix ODBC Driver constants and types, and provides function prototypes for the Informix ODBC Driver functions. If you include the infxcli.h file, it automatically includes the sql.h and sqlext.h files.

The sql.h and sqlext.h header files contain definitions of the C data types.

Include the xa.h header file in XA ODBC applications. ODBC applications on Windows™ require the Informix Client Software Development Kit to compile. Existing applications that use the ODBC driver might need to include the location of the Client SDK in the PATH environment variable before they are recompiled.

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