NET/MASTER Network Control Language (NCL) Programmer's Guide

Glossary
106160 Tandem Computers Incorporated Glossary–3
BIU. See basic information unit.
BK process. See background services process.
blank concatenation operation. An operation that replaces multiple blanks between two
terms in an expression by a single blank.
block. A logical group of statements. Blocks are bounded by core statements such as
PROCEDURE and END, FUNCTION and END, DO and END, and SELECT and END.
BLOG. See Background Logger.
BMON. See Background Monitor.
Boolean. An adjective describing a logical entity, operator, or operation; named after
the mathematician and logician George Boole.
Boolean operation. A logical operation on an expression that gives a value of 1 if the
comparison is TRUE or 0 if the comparison is FALSE. Boolean operations use the
AND, NOT, OR, and XOR operators.
Boolean result. The result from evaluating an expression using a Boolean operator: the
result is either 1 (TRUE) or 0 (FALSE).
breakpoint. A position in an NCL process, established using the DEBUG BREAKPOINT
command, at which NCL suspends execution.
BSYS. See Background System Process.
built-in function. A function supplied with NCL, providing access to information that
could otherwise require extensive coding to acquire.
byte boundary. The conceptual point between every eight bits in a block of data. The
point separates one byte from another.
callee. The NCL procedure or function called by another NCL procedure or function.
callee list. The share list specified by a callee to accept from a caller. The callee specifies
the list of variables it will accept from a caller in the PROCEDURE or FUNCTION
statement that declares the procedure or function.
caller. The NCL procedure or function that calls another NCL procedure or function.
caller list. The share list specified by a caller to share to a callee. The caller specifies the
list of variables to share to a callee on a CONTROL statement or a CALL statement.
character mode. A technique used for defining an alphanumeric character as a field
character in a panel description file.
CIP. See Conversational Interface Process.
CMDSVR. See Command Server Process.
CMI. See Communications Management Interface.
CNM. See communications network management.