Distributed Systems Network Management (DSNM) Subsystem Interface Development Guide

DSNM Library Services

Distributed Systems Network Management (DSNM) Subsystem Interface Development

Guide—109759 A-9

_ALLOFF

_ALLOFF is a Boolean define statement that is TRUE if every one-bit of bit-mask is

off in int-exp. TRUE is nonzero, not necessarily -1.

The _ALLOFF function is the same as the _OFF function. It is more descriptive to use

_ALLOFF when testing more than one bit.

int-exp input

INT:value

is the INT expression being compared with bit-mask.

bit-mask input

INT:value

is an INT expression, the one-bits of which identify the bits in int-exp to test.

Example

The following example tests if both bits 9 and 11 in var are off:

INT var;

LITERAL evta = %20; !evta.<11> on

LITERAL evtb = %100; !evtb.<9> on

IF _ALLOFF ( var, evta + evtb )

THEN ... !both var.<9> and var.<11> are zero

ELSE ...; !at least one of var.<9> and var.<11> is one

_ALLOFF ( int-exp , bit-mask )