c program

Question

#include<stdio.h>
#include<stdio.h>
void main()
{
int in;
while ((in = getchar()))
{
putchar(in);
}
}

 

 

explain o/p and what is in=getchar line

Answer 1

It will accept a character from keyboard.

Display the character.

This loop will continue infinitley.!!!!

reason: For each read of character from keyboard, get char() returns a non zero value

hence while loop runs forever

Answer 2

it will print the entered charecter infintely  .