Which of the following should be used for freeing the memory allocated in the following C code?#include <stdio.h> struct p { struct p *next; int n; }; int main() { struct p *ptr1 = (struct ptr*)malloc(sizeof(struct p)); ptr1->n = 1; ptr1->next = (struct ptr*)malloc(sizeof(struct p)); return 0; }

Which of the following should be used for freeing the memory allocated

1.	Which of the following should be used for freeing the memory allocated in the following C code? #include <stdio.h> struct p { struct p next; int n; }; int main() { struct p ptr1 = (struct ptr)malloc(sizeof(struct p)); ptr1->n = 1; ptr1->next = (struct ptr)malloc(sizeof(struct p)); return 0; }
A.	free(ptr1);
B.	All of above
C.	None of these
Answer» D.

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Which of the following should be used for freeing the memory allocated in the following C code?#include <stdio.h> struct p { struct p *next; int n; }; int main() { struct p *ptr1 = (struct ptr*)malloc(sizeof(struct p)); ptr1->n = 1; ptr1->next = (struct ptr*)malloc(sizeof(struct p)); return 0; }

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Which of the following should be used for freeing the memory allocated in the following C code?
#include <stdio.h>
struct p
{
struct p next;
int n;
};
int main()
{
struct p ptr1 = (struct ptr)malloc(sizeof(struct p));
ptr1->n = 1;
ptr1->next = (struct ptr)malloc(sizeof(struct p));
return 0;
}