pTAL Reference Manual (H06.08+)

Equivalenced Variables
HP pTAL Reference Manual—523746-006
11-16
Declaring Equivalenced Definition Structures
Declaring Equivalenced Definition Structures
An equivalenced definition structure declaration associates a new structure with a
previously declared variable.
.
.EXT
.SG
.SGX
are indirection symbols (see Table 2-7 on page 2-7).
structure
is the identifier that the declaration creates.
referral
is the identifier of a previously declared structure, structure layout, or structure
pointer.
field-alignment
STRUCT
identifier
referral
( )
.
.EXT
.SG
.SGX
field-alignment
= previous-identifier
[
+
-
offset
index
]
;
structure-layout
VST632.vsd
FIELDALIGN
( SHARED2
SHARED8
AUTO
PLATFORM
)
VST992.vsd