Condition Out Vt.
To Prevent A Section Of Code From Being
Compiled By Surrounding It With A Conditional-compilation Directive
Whose Condition Is Always False.
To prevent a section of code from being
compiled by surrounding it with a conditional-compilation directive
whose condition is always false. The canonical examples of
these directives are #if 0 (or #ifdef notdef, though
some find the latter bletcherous) and #endif in C.
Compare comment out.