stack_memory.c

extern int printf(const char *,...);

int *f() {
    int i = 6;
    printf("in f %d\n", i);
    printf("in f %p\n", &i);
    return &i;
}
 
int *g() {
    int i = 9;
    printf("in f %d\n", i);
    printf("in f %p\n", &i);
    return &i;
}
int main(){
    int *i = f();
    printf("in main %d\n", *i);
    printf("in main %p\n", i);
    i = g();
    printf("in main %d\n", *i); //ここで上書きされているはず
    printf("in main %p\n", i);
}