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Input and Output (`stdio.h')

This chapter comprises functions to manage files or other input/output streams. Among these functions are subroutines to generate or scan strings according to specifications from a format string.

The underlying facilities for input and output depend on the host system, but these functions provide a uniform interface.

The corresponding declarations are in `stdio.h'.

The reentrant versions of these functions use macros

_stdin_r(reent)
_stdout_r(reent)
_stderr_r(reent)

instead of the globals stdin, stdout, and stderr. The argument <[reent]> is a pointer to a reentrancy structure.


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