Programming In C, 3rd Edition

The C Declarations 39

void main()

{

int age=20;

float height=5.4;

char sex=‘M’;

clrscr();

printf(“Age :%d \nHeight : %g \nSex : %c”,age,height,sex);

}

OUTPUT:

Age: 20

Height: 5.4

Sex: M

2.8 VARIABLES

Variables are the basic objects manipulated in a program. Declaration gives an introduction of variable

to compiler and its properties like scope, range of values and memory required for storage. A variable

is used to store values. It has memory location and can store single value at a time.

When a program is executed, many operations are carried out on the data. The data types are

integers, real or character constants. The data is stored in the memory ...