/usr/include/c++/4.5/cstdlib
_GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
#if !_GLIBCXX_USE_C99_LONG_LONG_DYNAMIC
using ::lldiv_t;
#endif
#if _GLIBCXX_USE_C99_CHECK || _GLIBCXX_USE_C99_DYNAMIC
extern "C" void (_Exit)(int) throw () _GLIBCXX_NORETURN;
#endif
#if !_GLIBCXX_USE_C99_DYNAMIC
using ::_Exit;
#endif
inline long long
abs(long long __x) { return __x >= 0 ? __x : -__x; }
