O

open array

In RPC, an array that is both conformant and varying; that is, both its size and the range of transmitted elements are determined at run time by other parameters, structure fields, or expressions.

Open Software Foundation (OSF)

A consortium of companies, formed to define the distributed computing environment (DCE).

Object Description Language (ODL)

A subset of MIDL attributes, keywords, statements, and directives used to define type libraries for OLE Automation applications.

output parameter

In a remote procedure call, a parameter containing data that the server application is transmitting to the client application. The out attribute designates an output parameter.