Answer Posted / kumutha

sacnf()- input data can be entered into the computer using
the standard input'c' library function........

printf()- output data or result of an operation can be
displayed from the computer to a standard output device
using the library function........

getchar()- single character can be given to the computer
using 'c' input library function........

putchar()- used to display one character at a time on the
standard output device.........

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1278

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