The getchar() & putchar() functions

getchar()

-   reads only single character at a time.

-   It can be used in the loop if there is need to read more than one characters from the screen.

putchar() 

-   This function puts only single character at a time.

-   It can be used in the loop if you want to display more than one character on the screen.

- Example:

#include<conio.h>

#include<stdio.h>

int main()

{

     int c;

     clrscr();

     printf(“Enter the value:”);

     c = getchar();

     printf(“\n Entered Value is:”);

     putchar(c);    

    

     return 0;   

}

OUTPUT:

       Enter the value: 20

       Entered Value is: 20