Question
#include<stdio.h>
(i) struct A{
int a;
struct B {
int b;
struct B *next;
}tempB;
struct A *next;
}tempA;
(ii) struct B{
int b;
struct B *next;
};
struct A{
int a;
struct B tempB;
struct A *next;
};
(iii)struct B{
int b;
}tempB;
struct {
int a;
struct B *nextB;
};
(iv) struct B {
int b;
struct B {
int b;
struct B *nextB;
}tempB;
struct B *nextB;
}tempB;
Which of the following declaration is NOT valid?
#include<stdio.h>
(i) struct A{
int a;
struct B {
int b;
struct B *next;
}tempB;
struct A *next;
}tempA;
(ii) struct B{
int b;
struct B *next;
};
struct A{
int a;
struct B tempB;
struct A *next;
};
(iii)struct B{
int b;
}tempB;
struct {
int a;
struct B *nextB;
};
(iv) struct B {
int b;
struct B {
int b;
struct B *nextB;
}tempB;
struct B *nextB;
}tempB;
Answer: Option D
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Since all the above structure declarations are valid in C.
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