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bool, true, false, __bool_true_false_are_defined

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Header File

stdbool.h


Category

Variable Types


Prototype

bool true = 1;

bool false = 0;

bool h = __bool_true_false_are_defined;


Description

The stdbool.h header file has four macros defined, which map out to the Boolean types.


Example

#include <stdio.h>
#include <stdbool.h>
int main(int , char**){
 bool t = true;
 bool f = false;
 bool h = __bool_true_false_are_defined;
 if (h) printf("foo");
 return 0;
}
POSIX Win32 ANSI C ANSI C++

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