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Question:Which of the following declarations of structures is/are valid?

 1)struct node {
int count;
char *word;
struct node next;
}Node;
2)struct node {
int count;
char *word;
struct node *next;
}Node;
3)struct node {
int count;
char *word;
   union u1 {
         int n1;
         float f1;
    }U;
}Node;

A 1,2,3 
B 1,2 
C 2,3 
D 2 
E None

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Question:Which of the following declarations of structures is/are valid? 1)struct node { int count; char *word; struct node next; }Node; 2)struct node { int count; char *word; struct node *next; }Node; 3)struct node { int count; char *word; union u1 { int n1; float f1; }U; }Node;

A 1,2,3

B 1,2

C 2,3

D 2

E None

A

Question:Which of the following declarations of structures is/are valid? 1)
struct node { int count; char word; struct node next; }Node;
2)
struct node { int count; char word; struct node next; }Node;
3)
struct node { int count; char word; union u1 { int n1; float f1; }U; }Node;