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theseven |
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/* Provide support for both ANSI and non-ANSI environments. */
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/* Some ANSI environments are "broken" in the sense that __STDC__ cannot be
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relied upon to have it's intended meaning. Therefore we must use our own
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concoction: _HAVE_STDC. Always use _HAVE_STDC instead of __STDC__ in newlib
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sources!
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To get a strict ANSI C environment, define macro __STRICT_ANSI__. This will
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"comment out" the non-ANSI parts of the ANSI header files (non-ANSI header
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files aren't affected). */
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cmwslw |
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#ifndef ___ANSI_H__
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#define ___ANSI_H__
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theseven |
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/* First try to figure out whether we really are in an ANSI C environment. */
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/* FIXME: This probably needs some work. Perhaps sys/config.h can be
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prevailed upon to give us a clue. */
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#ifdef __STDC__
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#define _HAVE_STDC
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#endif
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#ifdef _HAVE_STDC
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#define _PTR void *
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#define _AND ,
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#define _NOARGS void
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#define _CONST const
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#define _VOLATILE volatile
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#define _SIGNED signed
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#define _DOTS , ...
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#define _VOID void
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#ifdef __CYGWIN__
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#define _EXFUN(name, proto) __cdecl name proto
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#define _EXPARM(name, proto) (* __cdecl name) proto
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#else
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#define _EXFUN(name, proto) name proto
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#define _EXPARM(name, proto) (* name) proto
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#endif
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#define _DEFUN(name, arglist, args) name(args)
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#define _DEFUN_VOID(name) name(_NOARGS)
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#define _CAST_VOID (void)
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#ifndef _LONG_DOUBLE
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#define _LONG_DOUBLE long double
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#endif
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#ifndef _PARAMS
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#define _PARAMS(paramlist) paramlist
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#endif
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#else
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#define _PTR char *
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#define _AND ;
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#define _NOARGS
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#define _CONST
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#define _VOLATILE
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#define _SIGNED
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#define _DOTS
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#define _VOID void
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#define _EXFUN(name, proto) name()
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#define _DEFUN(name, arglist, args) name arglist args;
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#define _DEFUN_VOID(name) name()
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#define _CAST_VOID
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#define _LONG_DOUBLE double
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#ifndef _PARAMS
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#define _PARAMS(paramlist) ()
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#endif
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#endif
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/* Support gcc's __attribute__ facility. */
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#ifdef __GNUC__
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#define _ATTRIBUTE(attrs) __attribute__ (attrs)
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#else
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#define _ATTRIBUTE(attrs)
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#endif
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#define ATTRIBUTE_PRINTF(fmt, arg1) _ATTRIBUTE( ( format( printf, fmt, arg1 ) ) )
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#define ATTRIBUTE_SCANF(fmt, arg1) _ATTRIBUTE( ( format( scanf, fmt, arg1 ) ) )
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#endif /* _ANSIDECL_H_ */
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