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Input
and output (stdio.h)
The following documentation
discusses 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 corresponding declarations are
in stdio.h.
The underlying facilities
for input and output depend on the host system, although these functions
provide a uniform interface.
The reentrant versions of
these functions use the following macros.
_stdin_r(reent)
_stdout_r(reent)
_stderr_r(reent)
These reentrant versions are
used instead of the globals, stdin,
stdout,
and stderr.
The argument, reent,
is a pointer to a reentrancy structure.
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