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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