C - Structures,Unions - Discussion

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Q.

What will be output if you will execute following code?

#include
union address{
char *name;
char street[10];
int pin;
};
int main(){
union address emp,*p;
emp.name="sh\0alu";
p=&emp;
printf("%s%s",p->name,(*p).name);
return 0;
}
A. sa sh B. sh aa
C. sh sa D. sh sh

Answer: Option D
Explaination:

p is pointer to union address. -> and (*). Both are same thing. These operators are used to access data member of union by using union's pointer.%s is used to print the string up to null character i.e. '\0'.


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