Nested structure in C
Table of Contents
Structure variables can be accessed in two way.
We can access of the structure using the normal variable in C language
The structure variable can be normal structure variable to access the data in C programming language.
This program explains how to use structure inside another structure using the normal variable in the C Programming language.
D_O_Birth structure is declared inside stu_details structure
#include <stdio.h>
#include <stdlib.h>
struct D_O_Birth
{
int day;
int month;
int year;
};
struct stu_detials
{
int stu_id;
char name[20];
float payment;
struct D_O_Birth date;
};
int main()
{
struct stu_detials s;
printf("Enter the name:\n");
scanf("%s",&s.name);
printf("Enter the student id:\n");
scanf("%d",&s.stu_id);
printf("Enter the payment:\n");
scanf("%f",&s.payment);
printf("Enter the date:\n");
scanf("%d",&s.date.day);
printf("Enter the month:\n");
scanf("%d",&s.date.month);
printf("Enter the year:\n");
scanf("%d",&s.date.year);
printf("Display details:\n\n");
printf("Student id is:%d\n",s.stu_id);
printf("Student name is:%d\n",s.name);
printf("Student payment is:%f\n",s.payment);
printf("Student DOB is: %d- %d-%d\n",s.date.day,s.date.month, s.date.year );
getch();
return 0;
}
When the above code
is executed, The following output is displayed
We can access of the structure using pointer variable in C language
The structure variable can be pointer variable to access the data in C programming language.
This program explains how to use structure inside another structure(Nested structure) using the pointer variable in the C Programming language.
An address structure is declared inside Employee structure using the pointer as a structure variable in this progra
m.
#include <stdio.h>
#include <stdlib.h>
struct Address{//structure Address
char DoorNo[20];//member 1
char AreaNo[20];//member 2
long postalcode[100];//member 3
};
struct Employee{
char Name[25]; // member 1
char Gender[10]; // member 2
int Age; // member 3
double salary; // member 4
struct Address adr;//implement the address in employee
};
int main()
{
struct Employee emp;
struct Address adr;
struct Employee *e;//pointer for Employee
struct Address *a;//pointer for address
e=&emp;//assign address of emp to pointer e
a=&adr;//assign address of adr to pointer a
printf("Enter the employee details: \n");
printf("Name: ");
scanf("%s",&e->Name);
printf("Gender: ");
scanf("%s",&e->Gender);
printf("Age: ");
scanf("%d",&e->Age);
printf("salary: ");
scanf("%lf",&e->salary);
//here input employee details
printf("\nEnter the address details: \n");
printf("Door No: ");
scanf("%s",&a->DoorNo);
printf("Area No: ");
scanf("%s",&a->AreaNo);
printf("Postal code: ");
scanf("%1i",&a->postalcode);
//here input Address details
printf("\nEmployee details: \n");
printf("Name : %s\n",emp.Name);
printf("Gender : %s\n",emp.Gender);
printf("Age : %d\n",emp.Age);
printf("Salary : %lf\n\n",emp.salary);
//Display employee details
printf("DoorNo: %s \n",adr.DoorNo);
printf("AresNo : %s\n",adr.AreaNo);
printf("Postal code : %li\n",adr.postalcode);
//Display Addrress details
getch();
return 0;
}
When the above code is executed the following output is displayed
Program2
This program explains how to use structure inside another structure using a pointer variable in the C Programming language.
school_Details structure is declared inside stu_Details structure using the pointer structure variable in this program
#include <stdio.h>
#include <stdlib.h>
struct school_Details{
char sch_Name[100];
int sch_Code;
};
struct stu_Details
{
int stu_Id;
char stu_Name[50];
float avg;
struct school_Details sch;
}stu_Data,*stu_Data1;
int main()
{
struct stu_Details stu_Data={1,"Kumar",56.7,"Hartley college",1008};
stu_Data1=&stu_Data;
printf("Student id is: %d \n",stu_Data1->stu_Id);
printf("Average is: %.2f \n",stu_Data1->avg);
printf("School code is: %d \n",stu_Data1->sch.sch_Code);
printf("School name is: %s \n",stu_Data1->sch.sch_Name);;
getch();
return 0;
}
When the above code is executed, The following output is displayed
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