C Exercises: Show the usage of pointer to structure

Last update on March 19 2025 12:40:33 (UTC/GMT +8 hours)

18. Pointers to Structures

Write a program in C to demonstrate the use of pointers to structures.

Visual Presentation:

Sample Solution:

C Code:

#include <stdio.h>

// Defining a structure to hold employee address details
struct EmpAddress {
    char *ename;        // Employee name (string pointer)
    char stname[20];    // Street name (array of characters)
    int pincode;        // Pincode (integer)
} 
// Initializing an instance of the structure with data
employee = {"John Alter", "Court Street \n", 654134}, *pt = &employee;

int main() {
    // Displaying the purpose of the program
    printf("\n\n Pointer : Show the usage of pointer to structure :\n");
    printf("--------------------------------------------------------\n");

    // Printing employee details using pointer to structure
    printf(" %s from %s \n\n", pt->ename, (*pt).stname);
    return 0;
}

Sample Output:

 Pointer : Show the usage of pointer to structure :                                                           
--------------------------------------------------------                                                      
 John Alter from Court Street 

Flowchart:

For more Practice: Solve these Related Problems:

• Write a C program to create an array of structures and then print each structure’s members using pointers.
• Write a C program to dynamically allocate memory for a structure and then print its contents using a pointer.
• Write a C program to pass a pointer to a structure to a function that updates its members and then displays them.
• Write a C program to copy one structure to another using pointers and then display both structures.

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