IBM AS/400 manual Changing Forms Control, File, Information in

Accessing

Printer Devices

The

total

lines

with

an F

coded

in position

18

can

fetch

the overfl

only

do so if overflow is sensed

prior to

the printing of one of t

fetch overflow is processed, a check is made to determine whether

indicator is on. If it is on, the

overflow routine is fetched, the

tioned by the overflow indicator is

printed,

and

the

total

operation

Changing Forms Control

Information in

a

Program-Described

File

The

PRTCTL

(printer

control)

keyword

allows

you

to

change

forms

control

tion and to access the current line

value within the program for a

described PRINTER file. Specify the

keyworddata

structurePRTCTL( )

nameon

the

File

Description

specification

for

the

PRINTER

file.

You

can

specify

two

types

of

PRTCTL

data structures in your source:

OPM-defined data structure, or an ILE

data

structure.

The

default i

data structure layout which is shown

in Table 24. To use the OPM-def

structure layout, specifydataPRTCTL(-structure

:*COMPAT)name . The OPM

PRTCTL

data structure

layout is

shown

in

Table 25

on

page 324.

The ILE PRTCTL data structure must be defined on the Definition spec requires a minimum of 15 bytes and must contain at least the followin fields specified in the following order:

Table

24. Layout of ILE PRTCTL Data Structure

Positions

Subfield Contents

1-3

A three-position character

field

that

contains

the

space-be

value

(valid

values:

blank

or

0-255)

4-6

A three-position character

field

that

contains

the

space-af

value

(valid

values:

blank

or

0-255)

7-9

A three-position character

field that contains the skip-bef

(valid

values:

blank

or

0-255)

10-12

A three-position character

field that contains the skip-afte

(valid

values:

blank

or

0-255)

13-15

A three-digit numeric field with

zero decimal

positions tha

tains the current line count

value.

The OPM

PRTCTL data structure

must

be

defined

on

the

Definition

speci

and must contain at least the following

five subfields

specified

in

order:

Chapter 17. Accessing Externally Attached323 Devices