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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
Obtaining status information for a smart large object
Free an LO-status structureTo explicitly free the resources assigned to an LO-status structure, use the mi_lo_stat_free() function. The mi_lo_stat_free() function is the destructor function for an LO-status structure. When the resources are freed, they can be reallocated to other structures that your program needs.

Free an LO-status structure

To explicitly free the resources assigned to an LO-status structure, use the mi_lo_stat_free() function. The mi_lo_stat_free() function is the destructor function for an LO-status structure. When the resources are freed, they can be reallocated to other structures that your program needs.

Server only: The mi_lo_stat() function allocates an LO-status structure in the current memory duration. Therefore, if the current memory duration is the default duration of PER_ROUTINE, an LO-status structure has a memory duration of PER_ROUTINE and the database server automatically frees it when the UDR completes.

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