gistfile1.txt

#include<stdlib.h>
#include<stdio.h>
#include<string.h>

struct  A{
        char *s;
        int  i;
};

struct B{
        struct A *a;
};

int w(struct B *aB){
        printf("(%s)(%d)",aB->a->s, aB->a->i);
        return 0;
}

int q(struct B *aB){
        printf("%s", __FUNCTION__);
        struct A *sA = aB->a;
        printf("%s", __FUNCTION__);
        sA->s = strdup("helloo"); 
        sA->i = 12;
        
        w(aB);
        return 0;
}

void assign(struct B *aB){
        aB->a = (struct A*) malloc(sizeof(struct A));
}

int main(){
        struct B sB;
        assign(&sB);
        q(&sB);
        free(sB.a);
        return 0;
}