+#if !defined(_PDCLIB_UNREACHABLE) && _PDCLIB_GCC_BUILTIN(__builtin_unreachable, 4, 0)
+ #define _PDCLIB_UNREACHABLE __builtin_unreachable()
+#endif
+
+#if !defined(_PDCLIB_UNDEFINED) && defined(__GNUC__)
+ #define _PDCLIB_UNDEFINED(_var) \
+ do { __asm__("" : "=X"(_var)); } while(0)
+#endif
+
/*#if _PDCLIB_C_VERSION != 1999
#error PDCLib might not be fully conforming to either C89 or C95 prior to v2.x.
#endif*/
/*#if _PDCLIB_C_VERSION != 1999
#error PDCLib might not be fully conforming to either C89 or C95 prior to v2.x.
#endif*/
/* Helper macros: */
/* _PDCLIB_cc( x, y ) concatenates two preprocessor tokens without extending */
/* _PDCLIB_concat( x, y ) concatenates two preprocessor tokens with extending */
/* Helper macros: */
/* _PDCLIB_cc( x, y ) concatenates two preprocessor tokens without extending */
/* _PDCLIB_concat( x, y ) concatenates two preprocessor tokens with extending */
/* -------------------------------------------------------------------------- */
#define _PDCLIB_cc( x, y ) x ## y
#define _PDCLIB_concat( x, y ) _PDCLIB_cc( x, y )
#define _PDCLIB_concat3( x, y, z ) _PDCLIB_concat( _PDCLIB_concat( x, y ), z )
/* -------------------------------------------------------------------------- */
#define _PDCLIB_cc( x, y ) x ## y
#define _PDCLIB_concat( x, y ) _PDCLIB_cc( x, y )
#define _PDCLIB_concat3( x, y, z ) _PDCLIB_concat( _PDCLIB_concat( x, y ), z )