Technical Capabilities
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LBR$- Callable Librarian

Overview

VX/LBR provides a call-compatible implementation of the OpenVMS Librarian (LBR$) API for Linux . It enables seamless migration of OpenVMS library management routines, preserving existing functionality and workflows.

Key Features

Fully compatible with OpenVMS LBR$ APIs.

Supports library management functions such as record storage, retrieval, indexing, and deletion.

Allows seamless migration of OpenVMS applications using LBR$ routines.

Integrates with VX/RT for enhanced portability on Linux..

Preserves existing development processes without requiring major code modifications.

VX/RT LBR$ Callable Routines

LBR$ API Function
LBR$CLOSEClose library file
LBR$DELETE_DATADelete library data
LBR$DELETE_KEYDelete a library key
LBR$FINDFind a record in library
LBR$GET_HELPRetrieve help text from library
LBR$GET_INDEXRetrieve index info
LBR$GET_RECORDGet a record from library
LBR$INI_CONTROLInitialize control block
LBR$INSERT_KEYInsert key in library
LBR$LOOKUP_KEYLook up key in library
LBR$OPENOpen a library file
LBR$OUTPUT_HELPOutput help text
LBR$PUT_ENDMark end of library update
LBR$PUT_RECORDStore record in library
LBR$REPLACE_KEYReplace a key in library
LBR$SET_LOCATESet location in library
LBR$SET_MOVESets the movement of library records

Why Use VX/LBR?

Enables direct porting of OpenVMS applications that depend on LBR$.

Provides full compatibility with OpenVMS Librarian functionality.

Supports both record-based and key-based library operations.

Seamlessly integrates into the VX/RT ecosystem for complete OpenVMS compatibility on Linux.

VX/LBR ensures that VMS applications requiring LBR$ services can be migrated without major modifications, preserving productivity and minimizing development costs.

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