/* test.c */
struct myst {
    int f1;
    int f2;
    int f3;
    int f4;
    int f5;
    int f6;
};

struct myst testfunc()
{
    struct myst a;

    a.f1 = 10;
    a.f2 = 20;
    a.f3 = 30;
    a.f4 = 40;
    a.f5 = 50;
    a.f6 = 60;

    return a;
}

int main(void)
{
    struct myst b;
    b.f1 = 1;
    b.f2 = 2;
    b.f3 = 3;
    b.f4 = 4;
    b.f5 = 5;
    b.f6 = 6;
    b = testfunc();
    printf("b.f1 = %d\n", b.f1);
    printf("b.f2 = %d\n", b.f2);
    printf("b.f3 = %d\n", b.f3);
    printf("b.f4 = %d\n", b.f4);
    printf("b.f5 = %d\n", b.f5);
    printf("b.f6 = %d\n", b.f6);
    exit(0);
}