Question

How to use typedef to declaring struct in C

Answer 1

#include <stdio.h>

typedef struct Person {
    int age;
} Person;


int main(void)
{
    Person p;
    
    p.age = 50;

    printf("p.age = %d", p.age); 

    return 0;
}
    
/*
run:
 
p.age = 50
   
*/

 

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Answer 2

#include <stdio.h>

typedef struct {
    int age;
} Person;


int main(void)
{
    Person p;
    
    p.age = 40;

    printf("p.age = %d", p.age); 

    return 0;
}
    
/*
run:
 
p.age = 40
   
*/

 

Cleaner teeth, healthier you!
Get The Secret to a Bright and Healthy Smile