This procedure returns the current
processor's machine id.
Example
BEGIN
$ INCLUDE INTL="SYMBOL/INTL/ALGOL/PROPERTIES." 10000000 - 59999999
FILE OUT(KIND=PRINTER);
INTEGER MACHINE_ID;
MACHINE_ID := CURRENT_MACHINE_ID;
WRITE(OUT,<"MACHINE_ID = ",J4>,MACHINE_ID);
END.