## Virtual Device Driver Reference for OS/2

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### VDHQueryLin - Purpose

Context Issues: This function can be called in the initialization, task, or interrupt context.

DOS Session Terminations: There are no DOS session termination implications for this function.

Notes: This service does minimal checking on Far16Addr. The caller should make sure that Far16Addr is not invalid. If an invalid address is passed, this service can return an invalid address.