#include <stdio.h>

typedef struct {
    int a;
    int b;
    int c;
} foo_t;

foo_t get_foo(void)
{
    foo_t foo = {100, 200, 300};
    return foo;
}

int main(void)
{
    foo_t foo = get_foo();
    printf("%d, %d, %d\n", foo.a, foo.b, foo.c);
    return 0;
}