How do you correctly access a member of a struct using a pointer?
struct Student {
int id;
float grade;
};
struct Student *ptr;

Question

How do you correctly access a member of a struct using a pointer? 
 struct Student { 
     int id; 
     float grade; 
 }; 
 struct Student *ptr;

Accepted Answer

(*ptr).id = 10;   or  ptr->id = 10;

Answer

ptr.id = 10;

Answer

ptr.id = 10;  and  ptr.grade = 85.5;

Answer

ptr->id = 10;

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