変数の型とバイト数

GCC

型	size ( byte )	MAX
char	1	127
short	2	32,767
int	4	2,147,483,647
long	4	2,147,483,647
long long	8	9,223,372,036,854,775,800
float	4	3.402823 x 10^(+38)
double	8	1.797693 x 10^(+308)
long double	12	1.189731495357231765 x 10^(+4932)