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#ifndef __SYS_CDEFS_H
#define __SYS_CDEFS_H
#include <features.h>
#if defined (__STDC__) && __STDC__
#define __CONCAT(x,y) x ## y
#define __STRING(x) #x
/* This is not a typedef so `const __ptr_t' does the right thing. */
#define __ptr_t void *
#else
#define __CONCAT(x,y) x/**/y
#define __STRING(x) "x"
#define __ptr_t char *
#endif
/* C++ needs to know that types and declarations are C, not C++. */
#ifdef __cplusplus
# define __BEGIN_DECLS extern "C" {
# define __END_DECLS }
#else
# define __BEGIN_DECLS
# define __END_DECLS
#endif
/* GNUish things */
#define __CONSTVALUE
#define __CONSTVALUE2
#ifdef __GNUC__
/* GCC can always grok prototypes. For C++ programs we add throw()
to help it optimize the function calls. But this works only with
gcc 2.8.x and egcs. */
#if defined __cplusplus && __GNUC_PREREQ (2,8)
#define __THROW throw()
#else
#define __THROW
#endif
#else /* GCC */
#define __THROW
#endif
#endif
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