LOGORC2

bitwise logical inclusive or of two ints, complementing the second
Major Section:  PROGRAMMING

When integers are viewed in their two's complement representation, logorc2 returns the bitwise logical inclusive or of the first with the bitwise logical `not' of the second.

The guard for logorc2 requires its arguments to be integers. Logorc2 is defined in Common Lisp. See any Common Lisp documentation for more information.