C programming structure & pointer

1. C- PROGRAMMING
STRUCTURE & UNION

2. EXTRA

3. EXTRA

4. NOTES

5. NOTES

6. #include<stdio.h>
#include<conio.h>
struct student
{
char name[20];
int marks;
float per;
};
void main()
{
struct student stu;
clrscr();
printf(“Enter Student Namen”);
gets(stu.name);
printf(“Enter Student Marksn”);
scanf(“%d”,&stu.marks);
printf(“Enter Percentagen”);
scanf(“%f ”,&stu.per);
printf(“NAME :”);
puts(stu.name);
printf(“MARKS :%dn”,stu.marks);
printf(“PERCENTAGE :%fn”,stu.per);
getch();
}
EXTRA

7. #include<stdio.h> Structure within structure
#include<conio.h>
struct address
{
char street[10];
char city[10];
char state[10];
};
struct employee
{
char name[20];
char des[10];
struct address add;
int salary;
};
void main()
{
struct employee emp;
clrscr();
printf("Enter Employee detailsn");
printf("Enter Namen");
gets(emp.name);
EXTRA

8. printf("Enter Designationn");
gets(emp.des);
printf("Enter Addressn");
printf("Enter street n");
gets(emp.add.street);
printf("Enter Cityn");
gets(emp.add.city);
printf("Enter Staten");
gets(emp.add.state);
printf("Enter Slalryn");
scanf("%d",&emp.salary);
printf("EMPLOYEE DETAILSn");
printf("NAME :");
puts(emp.name);
printf("DESIGNATION :");
puts(emp.des);
printf("ADDRESS :n");
printf("STREET :");
puts(emp.add.street);
printf("CITY :");
puts(emp.add.city);
printf("STATE :");
puts(emp.add.state);
printf("SALARY :%dn",emp.salary) ;
getch();
}
EXTRA

9. EXTRA

10. NOTES

11. #include<stdio.h>
#include<conio.h>
union marks
{ int phy;
int che;
int mat;
int total;
float per;
}s1;
void main()
{
clrscr();
printf("Enter Marks detailsn");
printf("Enter physics marksn");
scanf("%d",&s1.phy);
printf("Enter chemistry marksn");
scanf("%d",&s1.che);
printf("Enter Math Marksn");
scanf("%d",&s1.mat);
s1.total=s1.phy+s1.che+s1.mat;
printf("Total Marks = %dn",s1.total);
s1.per=s1.total*1/3;
printf("Percentage = %fn",s1.per);
getch();
}
EXTRA