checking size of char... 1
checking size of short... 2
checking size of int... 4
checking size of long... 8
checking size of long long... 8
checking size of unsigned int... 4
checking size of unsigned long... 8
checking size of unsigned long long... 8
checking size of float... 4
checking size of double... 8
checking size of long double... 16
checking size of size_t... 8
checking size of ptrdiff_t... 8