On Tue, 30 Jun 2009, [utf-8] Dag-Erling Sm??rgrav wrote:
Bruce Evans <b...@optusnet.com.au> writes:
Freestanding reserves fewer symbols for the implementation.
IIRC, freestanding implementations are only required to provide
<iso646.h> and <stdint.h>, and everything else is available to the
application.
Also <float.h>, <limits.h>, <stdarg.h>, <stdbool.h> and <stddef.h>.
However, _FOO and __foo don't seem to be reserved -- these seem to
only be reserved in section 7 (library), and freestanding specifically
doesn't require anything in section 7 except the above headers. The
complete list seems to be just the standard contents of the above
headers, plus things like __STDC__, at least if the application doesn't
#undef these things before using them.
Bruce
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