API Guide
601355 Rev A API Functions 2-717
Functions
VSCMD_
MediaClass-Query
VSCMD_MediaClassQuery is issued to request execution of
VolServ Media Class Query commands.
Media Class Query commands are used to obtain information
about MediaClass groups in the VolServ system.
Upon receipt of a Media Class Query command, where obtains
the requested information about the specified MediaClass
groups and returns this information to the client.
Synopsis VST_BOOLEAN VSCMD_MediaClassQuery
( VST_COMMAND_HANDLE handle,
“…”,
VSID_ENDFIELD )
Arguments •handle = The command handle for this Media Class
Query request.
•“…” = Variable length argument list consisting of pairs of
arguments. Each pair of arguments consists of a parameter
identifier, followed by the value of the field to use for this
request. The valid parameter identifiers and types for this
function are shown in the following "Parameters"
paragraph.
•VSID_ENDFIELD = Required at the end of the variable
length argument list to indicate the end of the list.