INTERVIEW QUESTIONS C OPERATORS IN C DETAILS

Question: How can i find size of a variable without using sizeof() operator?

Answer: #define any_size(any) (char*)(&any)-(char*)((&any)-1)

void main()

{

//any type of variable int c;

printf("%d",any_size(c));

}

#define any_size(any) (char*)(&any)-(char*)((&any)-1)

void main()

{

//any type of variable int c;

printf("%d",any_size(c));

}
Source: CoolInterview.com

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