HP 3000 Manuals HP 3000 Manuals
FREADBACKWARD
NM and CM callable.
Reads a logical record backward from the current record pointer. Data is
presented as if read forward. Used for tape files only. Can recover
tape errors when handling I/O management and data recovery routines.
I16 I16V UDS I16V
transfercount:=FREADBACKWARD(filenum,buffer,length);