Pls someone explain how does getchar() work i am not understanding

Answer 1

Akash C R Please,
Keep going with C-tutorial!👍

https://www.sololearn.com/learn/C/2936/

Answer 2

getchar() reads a single character of input and returns that character as the value of the function. If there is an error reading the character, or if the end of input is reached, getchar() returns a special value, represented by "EOF".

https://stackoverflow.com/questions/3676796/how-does-getchar-work

Answer 3

But how to give input i am not understanding pls help me out