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manual abstract
Opening
the
NM
Error
Message
Catalog
The
CATOPEN
in
trinsic
op ens
the
NM
error
message
catalog.
The
syn
tax
for
CATOPEN
is:
c
atindex
:=
CA
TOPEN
( formaldesignator,
catstatus );
The
c
atindex
is
an
index
used
to
iden
tify
the
message
catalog
b eing
accessed.
This
n
um
b er
is
not
the
same
as
a
le
n
um
b er.
The
formaldesignator
parameter
con
tains
a
string
that
iden
ties
the
catalog
le
to
op en;
c
atstatus
returns
the
error
n
um
b er.
If
the
rst
elemen
t
of
c
atstatus
is
zero,
the
in
trinsic
call
w
as
successful,
if
this
elemen
t
is
not
zero,
its
v
alue
indicates
the
error
that
o ccurred.
Op ening
SYSCAT.PUB.SYS
is
done
as
follows:
var
Designator
:
packed
array
[1..20]
of
CHAR;
Catstatus
:
packed
array
[1..2]
of
SHORTINT;
Catindex
:
INTEGER;
Designator
:=
'SYSCAT.PUB.SYS
';
Catindex
:=
CATOPEN
(Designator,
Catstatus);
F
or
detailed
information
ab out
the
CATOPEN
in
trinsic,
refer
to
the
MPE/iX
Intrinsics
R
efer
enc
e
Manual
(32650-90028).
Reading
Messages
With
CA
TREAD
The
CATREAD
in
trinsic
reads
the
message
sp ecied
b
y
set
and
message
n
um
b ers
from
the
catalog
sp ecied
b
y
c
atindex
.
When
y
ou
use
CATREAD
to
read
messages,
the
message
facility
fetc
hes
the
message
from
a
message
catalog,
inserts
parameters
(if
sp ecied),
and
then
routes
the
message
to
a
le
or
returns
the
message
in
a
buer
to
the
calling
program.
The
syn
tax
for
CATREAD
is:
msglength
:=CA
TREAD
( catindex,
setn
um,
msgn
um,
catstatus,
buer,
buersize,
p
arm1,
p
arm2,
p
arm3,
p
arm4,
p
arm5,
msgdest
);
The
parameters
p
arm1
...
p
arm5
are
used
to
substitute
v
alues
in
the
message
at
run
time.
P
arameter
Substitution
P
arameters
may
b e
inserted
in
to
the
message
read
from
the
catalog.
P
arameter
substitution
is
used
when
a
message
output
con
tains
information
only
kno
wn
at
run
time,
suc
h
as
an
ldev
n
um
b er
or
a
session
name.
P
arameters
are
passed
to
the
message
with
the
p
ar
am1
,
p
ar
am2
,
p
ar
am3
,
p
ar
am4
,
and
p
ar
am5
parameters
in
the
CATREAD
in
trinsic
and
are
inserted
in
the
message
wherev
er
an
\ ! "
is
found.
P
arameters
are
inserted
in
the
following
order:
p
ar
am1
substitutes
for
the
leftmost
\ ! "
in
the
message,
p
ar
am2
for
the
next
!
to
the
right,
and
so
forth.
If
p
ar
am(n)
is
presen
t,
p
ar
am(n-1)
m
ust
b e
presen
t
(that
is,
y
ou
cannot
sp ecify
p
ar
am3
unless
p
ar
am1
and
p
ar
am2
are
sp ecied).
P
arameters
are
passed
as
strings
that
m
ust
ha
v
e
the
ASCI I
n
ull
c
haracter
app ended.
Message
Output
Messages
may
b e
output
to
a
buer
or
a
le.
If
y
ou
output
to
a
buer,
y
ou
sp ecify
the
buer
and
a
buer
size
with
the
buer
and
the
buersize
parameters.
T
o
output
to
a
le,
y
ou
sp ecify
the
le
n
um
b er
(returned
from
HPFOPEN )
and
message
length
with
the
msgdest
and
the
buersize
parameters.
T
o
output
to
$STDLIST ,
use
a
le
n
um
b er
of
0
(zero).
5-10
Accessing
System
Error
Messages
...Other models in this manual:
Software - MPE/iX 6.5 Operating System (323.12 kb)
Software - MPE/iX 7.0 Operating System (323.12 kb)
Software - MPE/iX 7.5 Operating System (323.12 kb)