About Lesson
Two ways to define constant in C
There are two ways to define constant in C programming.
i. const keyword
ii. #define preprocessor
1) C const keyword
The const keyword is used to define constant in C programming.
const float PI=3.14;
Now, the value of PI variable can’t be changed.
#include <stdio.h>
#include <conio.h>
void main(){
const float PI=3.14;
clrscr();
printf(“The value of PI is: %f”,PI);
getch();
}