HP 3000 Manuals

MPE/iX Quick Reference Guide

HPFOPEN 

NM callable only.

Establishes access to a file on any device and creates a file on any
shareable device.

               I32    I32    I32V    *
     HPFOPEN(filenum,status[,itemnum,item] [...]);

Up to 41 itemnum/item pairs can be specified.

MPE/iX 5.0 Documentation