Program

Question

#include<stdio.h>
struct X
{
    int a;
    int b;
    int c;
};
int main(void)
{
    printf("%zu",sizeof(struct X));
}

What is output of the program and why?

Comments

@srestha  this is a very nice article you must check

Answer 1

Read this.
http://www.geeksforgeeks.org/structure-member-alignment-padding-and-data-packing/