Question

How to use boolean (bool) datatype in C

Answer 1

#include <stdio.h>
#include <stdbool.h>

int main(void)
{

    bool b = false;
    
    printf("%d\n", b);
    
    if ( 31 > 14) b = true;
    
    printf("%d\n", b);

        
    return 0;
}

/*
run:
 
0
1

*/

 

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Answer 2

#include <stdio.h>
#include <stdbool.h>

int main(void) 
{
    bool a = true;  
    bool b = false; 
    
    if (a)  
    {
        puts("a = true");
    }
    if (!b) 
    {
        puts("b = false");
    }
    
    return 0;
}
    
/*
run:
 
a = true
b = false

*/

 

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