HP 3000 Manuals HP 3000 Manuals
FCONTROL
NM and CM callable.
Performs various control operations on a file or on the device where the
file resides, including:
* Supplying a printer or terminal carriage control directive.
* Verifying I/O.
* Reading the hardware status word for the device where the file
resides.
* Setting a terminal's timeout interval.
* Repositioning a file at its beginning.
* Writing an end-of-file marker.
* Skipping forward or backward to a tape mark.
I16V I16V *
FCONTROL(filenum,itemnum,item);