refer to the following
and
process
functions of opening a tape file other than label checking or writing.
The
routine that actually processes the label. The macro generates a block
of data (32 bytes long) in order to
processing routines.
labels. A LABELDEF command must be issued prior to running the program
that contains this macro. The LABID parameter of the
used to specify the name of the LABELDEF to be used. For example, if
you use the macro:
The tape must be positioned correctly (at the label to be checked or at
the place where the label is to be written), before you issue the macro.
one tape record unless you specify
the tape to beyond the tape mark that ends the label file.
and checks a tape
point and the user has specified a volid in his LABELDEF
processing. They are:
label processing you want. The tape must be positioned properly (at the
data file or label file you