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Pointer to Structure in C Programming

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1. Address of Pointer variable can be obtained using '&' operator.
2. Address of such Structure can be assigned to the Pointer variable .
3. Pointer Variable which stores the address of Structure must be declared as Pointer to Structure .

Syntax :

struct student_database
{
    char name[10]
    int roll;
    int marks;
}stud1; 
struct student_database *ptr;
ptr = &stud1;

How to Access Structure Members : 

Way 1 : Using Structure Name

Accessing Roll Number : stud1.roll
Accessing Name        : stud1.name

Way 2 : Using Indirection Operator and Pointer

Accessing Roll Number : (*ptr).roll
Accessing Name        : (*ptr).name

Way 3 : Using Membership Operator

Accessing Roll Number : ptr->roll;
Accessing Name        : ptr->name;

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Tags / Keywords : | Pointer and Structure, Pointer to Structure, Pointer within Structure

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