
82 Pascal 4.0 User’s Guide
5
Using the define Variable Attribute
This example makes global public using the define attribute of the variable
declaration.
The program unit,
defvar_prog.p
program defvar_prog;
var
global: extern integer;
procedure proc;
external;
begin
global := 1;
writeln('From MAIN, before PROC: ', global);
proc;
writeln('From MAIN, after PROC: ', global);
end. { defvar_prog }
The module unit, defvar_mod.p,
which makes global public using
the define attribute
module defvar_mod;
var
global : define integer;
procedure proc;
begin
writeln('From PROC : ',global);
global := global + 1;
end; { proc }
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