자료형

기본 자료형의 종류(간단히 정리)
구분	자료형	크기
문자형	char	1 byte
	unsigned char	1 byte
정수형	int	4 byte
	short int	2 byte
	unsigned int	4 byte
	long	4 byte
	unsigned long	4 byte
실수형	float	4 byte
	double	8 byte

기본 자료형의 종류 (상세 정리)
구분	자료형	크기	범위
문자형	char	1 byte	-128 ~ 127
	unsigned char	1 byte	0 ~ 255
정수형	__int8	1 byte	-128 ~ 127
	__int16	2 byte	-32,768 to 32,767
	unsigned int	2 byte	-32,768 to 32,767
	(signed) short (int)	2 byte	-32,768 to 32,767
	unsigned short (int)	2 byte	0 ~ 65,535
	__int32	4 byte	-2,147,483,648 ~ 2,147,483,647
	(signed) int	4 byte	-2,147,483,648 ~ 2,147,483,647
	unsigned int	4 byte	0 ~ 4,294,967,295
	(signed) long (int)	4 byte	-2,147,483,648 ~ 2,147,483,647
	unsigned long (ing)	4 byte	-2,147,483,648 ~ 2,147,483,647
	__int64	8 byte	-9,223,372,036,854,775,808 ~ 9,223,372,036,854,775,807
실수형	float	4 byte	3.4E +/- 38 (7 digits)
	double	8 byte	1.7E +/- 308 (15 digits)
	long double	8 byte	1.2E +/- 4932 (19 digits)

short int (short, signed short int) 2byte -32,768 ~ 32,767
unsigned short int (unsigned short) 2byte 0 ~ 65,535
int (signed, signed int) 2byte -32,768 ~ 32,767
unsigned int (unsigned) 2byte 0 ~ 65,535
long int (long, signed long int) 4byte -2,147,483,648 ~ 2,147,483,647
unsigned long int (unsigned long) 4byte 0 ~ 4,294,967,295