API Guide
601355 Rev A API Functions 2-225
Functions
VS_
Expression_
GetFields
VS_Expression_GetFields retrieves information
associated with an expression handle. An expression handle is
used to pass expression information to and from VolServ.
Synopsis VST_BOOLEAN VS_Expression_GetFields
( VST_EXPRESSION_HANDLE handle,
“…”,
VSID_ENDFIELD )
Arguments •handle = The expression handle where information is
retrieved.
•“…” = Variable length argument list consisting of pairs of
arguments. Each pair of arguments consists of a parameter
identifier, followed by a pointer to a location where the
value of the parameter may be stored. The parameter
identifiers and types this function accepts 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.
Parame ters
Parameter Type Description
VSID_MOUNT_CRITERIA_OP
(VST_MOUNT_CRITERIA_OPT *) Pointer to the relational operation for this
expression: