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  • Structure in C

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    Structure is basically a user defined datatype which is a collection of heterogeneous elements.

    Each element of a structure is called a member.

    It works like a template in C++ and class in Java.

    It is used to store student information, employee information, product information, book information etc.

    Defining structure

    The struct keyword is used to define structure. syntax to define structure in c is:

    struct structure_name
    {
    data_type member1;
    data_type member2;
    .
    .
    data_type memeberN;
    };

    Example of structure to store information of many employees.

     #include <stdio.h>  
    #include <string.h>  
    struct employee    
    {   int id;    
        char name[30];    
        float salary;    
    }e1,e2;  //declaring e1 and e2 variables for structure  
    int main( )  
    {  
    
       e1.id=101;  
       strcpy(e1.name, "Pranav Chhabra");  
       e1.salary=56000;  
    
    
       e2.id=102;  
       strcpy(e2.name, "Abhishek Kumar ");  
       e2.salary=126000;  
    
       //printing first employee information  
       printf( "employee 1 id : %d\n", e1.id);  
       printf( "employee 1 name : %s\n", e1.name);  
       printf( "employee 1 salary : %f\n", e1.salary);  
    
       //printing second employee information  
       printf( "employee 2 id : %d\n", e2.id);  
       printf( "employee 2 name : %s\n", e2.name);  
       printf( "employee 2 salary : %f\n", e2.salary);  
    
       return 0;  
    }  
    Output:
    
    employee 1 id : 101
    employee 1 name : Pranav Chhabra
    employee 1 salary : 56000.000000
    employee 2 id : 102
    employee 2 name : Abhishek Kumar
    employee 2 salary : 126000.000000
    

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