RIO_READ - Read record from direct access file

Description:

Read the specified unformatted record from the file with the given file descriptor.

Invocation:

CALL RIO_READ( FD, RECNO, NCHAR, BUF, STATUS )

Arguments:

FD = INTEGER (Given)

The file descriptor.

RECNO = INTEGER (Given)

Expression giving the number of the record to be read.

NCHAR = INTEGER (Given)

Expression giving the buffer size

BUF = BYTE( NCHAR ) (Returned)

A byte array to receive the record.

STATUS = INTEGER (Given and Returned)

The global status.