[ECP1026]Tutorial 4 Question 1

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(i)
1. Illegal, var can;t store a pointer.
2. Legal
3. Legal, both have the same type of carible (pointer).
4. Illegal, You can only free memmory location that is type of pointer.

(ii)
struct Node * createNode(char c){
temp = (struct node*)malloc(sizeof(struct node));
struct Node *temp;
temp->c=c;
temp ptr=NULL;
return (temp);
}