With %s it will take 9 name or words but prints only starting alphabets...and with %c it will take characters and prints 9 characters which have entered....

for eg:-

with %s it can take hello,going,sitting etc till 9 words but prints h,g,s i.e starting letter

with %c it will take hello and going as characters i.e it will consider each letter of hello and going as a independent unit and prints hellogoing as sitting will be out of it memory size