| When
referring to computer memory, a null pointer is a command used to
direct a software program or operating system to an empty location in
the computer memory. Commonly, the null pointer is used to denote the
end of a memory search or processing event. In computer programming, a
null pointer is a pointer that does not
point to any object or function.
A nil pointer is a false value. For
example: 1 > 2 is a nil statement.
In the programming language C,
NULL is an available command that can be used, where nil is an
available command used in the Pascal
programming language.
Also see: Memory definitions, NULL,
Programming definitions
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