7/21/2019 3the Function of iaf

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THE FUNCTION OF I/OLIBRARY IOSTREAM.H

At the lowest implementation level, where thenation of data type is missing & files are treatedas stream of bytes , the I/O libraries manages &transfer all these bytes.At the user level, where the nation of data type is

present, I/O library manages the interface b/wthese two levels i.e. b/w user level & the lowestimplementation level.The I/O library predefines a set of operations forhandling , reading and writing of built in data types.

USING I/O OPERATORS

Input coming from the user’s terminal, reffered to asstandard input is tied to the predefined iostream cin &output directed to the user terminal , reffered to asstandard output, is tied to the predefined iostreamcout.