C | Structure & Union | Question 5
#include<stdio.h> struct st { int x; struct st next; }; int main() { struct st temp; temp.x = 10; temp.next = temp; printf("%d", temp.next.x); return 0; } |
(A) Compiler Error
(B) 10
(C) Runtime Error
(D) Garbage Value
Answer: (A)
Explanation: A structure cannot contain a member of its own type because if this is allowed then it becomes impossible for compiler to know size of such struct. Although a pointer of same type can be a member because pointers of all types are of same size and compiler can calculate size of struct
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