[header][C library] cstdbool (stdbool.h) (C++11)

*[header][C library] cstdbool (stdbool.h) (C++11)

<cstdbool> (stdbool.h)

Boolean type

The purpose in C of this header is to add a bool type and the true and false values as macro definitions.

In C++, which supports those directly, the header simply contains a macro that can be used to check if the type is supported:

Macro constants

Macro	description	defined as
__bool_true_false_are_defined	Specifies whether bool, true and false are defined	1

내용 출처 : http://www.cplusplus.com/reference/cstdbool/