understanding getchar and input buffer in c

Video showing how to use getchar in a loop. 𝗗𝗼𝗻'𝘁 𝗳𝗼𝗿𝗴𝗲𝘁 𝘁𝗼 𝘀𝘂𝗯𝘀𝗰𝗿𝗶𝗯𝗲 𝗮𝗻𝗱 𝘀𝗺𝗮𝘀𝗵 𝘁𝗵𝗲 𝗯𝗲𝗹𝗹 𝗯𝘂𝘁𝘁𝗼𝗻! Download source code at: https://drive.google.com/file/d/1u9-kEL35bm45iZ61Ei7KJ5TSwsXoIeGJ/ Follow us on Facebook https://www.facebook.com/AllTech-1089946481026048/