7.Which of the following statements are correct ways of using typedef in ANSI C for embedded systems?

□ struct node_tag {
int item;
struct node_tag *next;
};
typedef node_tag* pnode;

□ typedef struct node_tag {
int item;
struct node_tag *next;
};
struct node_tag *pnode;

□ struct node_tag {
int item;
struct node_tag *next;
};
typedef struct node_tag;

□ typedef struct node_tag {
int item;
struct node_tag *next;
} node;

□ struct node_tag {
int item;
struct node_tag *next;
};
typedef node_tag node;
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FROM 1.147.112.*