dmmgshandle — Inquire identifier of dataset
dmmgshandle
returns the identifier of a
MemCom dataset residing in dynamic memory
under the symbolic name name
and the file handle
handle
. A zero identifier is returned if the
dataset name
has not been found in dynamic
memory.
subroutine dmmgshandle(handle,name,ident) integer*4 handle character*(*) name integer*4 ident
Database handle (input). The file handle
handle
may not exceed the maximum number of
simultaneously open databases.
name
Dataset name (input). The string may not exceed the maximum dataset name length.
ident
Identifier returned from
DMM (output). A value greater
than 0 means that the dataset name
exists
and ident
points to it. A value of 0
means that the dataset does not exist in
DMM.