Structures in C

Structures is a unlike datatypes.

#include<stdio.h>

#include<conio.h>

void main()

{

struct sample

{

int a;

float b;

char c;

};

struct sample struct1,struct2;

clrscr();

struct1.a=100;

struct1.b=555.32;

struct1.c=’g’;

struct2=struct1;

printf(“A=%d,B=%f,C=%c\n”,struct2.a,struct2.b, struct2.c);

getch();

}

#include<stdio.h>

#include<conio.h>

void main()

{

struct date

{

int day;

int month;

int year;

};

struct date dob;

clrscr();

printf(“Enter the date of birth:”);

scanf(“%d”,&dob.day);

printf(“Enter the month of birth:”);

scanf(“%d”,&dob.month);

printf(“Enter the year of birth:”);

scanf(“%d”,&dob.year);

printf(“Date of birth=”);

printf(“%d/”,dob.day);

printf(“%d/”,dob.month);

printf(“%d.”,dob.year);

getch();

}

#include<stdio.h>

#include<conio.h>

void main()

{

struct address

{

char name[10];

char street[10];

char city[10];

char pin[7];

};

struct address my;

clrscr();

printf(“Enter the name:”);

gets(my.name);

printf(“Enter the street name:”);

gets(my.street);

printf(“Enter the city name:”);

gets(my.city);

printf(“Enter the pincode:”);

gets(my.pin);

printf(“Address=\n”);

printf(“%s\n”,my.name);

printf(“%s\n”,my.street);

printf(“%s\n”,my.city);

printf(“%s\n”,my.pin);

getch();

}

#include<stdio.h>

#include<conio.h>

void main()

{

struct address

{

char name[20];

char add[20];

char city[10];

long int phone;

};

struct emp

{

int eno;

struct address a;

struct emp e[100];

int i;

clrscr();

printf(“Enter empno,name,address,city,phone\n”);

for(i=0;i<2;i++)

{

scanf(“%d%s%s%s%ld”,&e[i].eno,&e[i].a.name, &e[i].a.add,e[i].a.city,&e[i].a.phone);

}

line();

printf(“Eno\tName\t\tAddress\t\tCity\tPhone\n”);

line();

for(i=0;i<2;i++)

{

printf(“%d\t%s\t\t%s\t%s\t%ld\n”,e[i].eno,e[i]. a.name,e[i].a.add,e[i].a.city,e[i].a.phone);

}

line();

getch();

}

line()

{

printf(“*********************************\n”);

}

#include<stdio.h>

#include<conio.h>

void main()

{

struct person

{

char per_name[25];

int age;

}r[20];

int i,sno;

for(i=0;i<20;i++)

{

clrscr();

printf(“Enter person name:”);

gets(r[i].per_name);

printf(“\n Age:”);

scanf(“%d”,&r[i].age);

}

clrscr();

printf(“\n\n Eligible candidate name & age list\n”);

printf(“*********************************\n”);

printf(“Sno\tPerson Name\t\tAge\n”);

printf(“*********************************\n”);

sno=1;

for(i=0;i<20;i++)

{

if(r[i].age>=18)

{

printf(“\n %d\t%s\t\t%d”,sno.r[i].per_name,r[i].age);

sno++;

}

}

printf(“*********************************\n”);

getch();

}