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Extending Informix®Beyond standard relational database objects, HCL Informix® can be extended to handle specialized data types, access methods, routines, and other objects. Informix® includes many built-in extensions that are fully integrated in the database server. Informix® also provides DataBlade® modules, which are packages of extended database objects for a particular purpose and that are installed separately from the database server. Alternatively, you can create your own user-defined objects for Informix®.
Creating extensionsYou can create user-defined data types, routines, access methods, and other database objects to suit your needs. You can use application programming interfaces to write user-defined routines and applications that access data in Informix® databases.
DataBlade® API Programmer's GuideThe Informix® DataBlade® API Programmer's Guide describes information about the DataBlade® API, the C-language application programming interface (API) provided with HCL Informix®.
Data manipulation
Smart large objects
Convert a smart large object to a file or bufferThe DataBlade® API provides support for the conversion of a smart large object to or from either an operating-system file or a user-defined buffer.
User-defined buffersThe DataBlade® API supports the functions for conversion between user-defined buffers and smart large objects.

User-defined buffers

The DataBlade® API supports the functions for conversion between user-defined buffers and smart large objects.

mi_lo_from_buffer(): Copies data in a user-defined buffer to a smart large object
mi_lo_to_buffer(): Copies data in a smart large object to a user-defined buffer

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