ref: ad726c612004cf5b648f493c17ac90a0d8b0c05e dir: /lib/c/include/stdbool.h/
#ifndef _STDBOOL_H #define _STDBOOL_H #define bool _Bool #define true ((bool) 1) #define false ((bool) 0) #define __bool_true_false_are_defined 1 #endif