[C++] 데이터 자료형 정리 와 WORD, DWORD

 

Type	Size of type	Range
char	1byte	-127 to 127
unsigned char	1byte	0 to 255
signed char	1byte	-127 to 127
int	4bytes	-2147483648 to 2147483647
unsigned int	4bytes	0 to 4294967295
signed int	4bytes	-2147483648 to 2147483647
short	2bytes	-32768 to 32767
unsigned short	2bytes	0 to 65,535
signed short	2bytes	-32768 to 32767
long	8bytes	-2,147,483,648 to 2,147,483,647
signed long	8bytes	same as long int
unsigned long	8bytes	0 to 4,294,967,295
long long	8bytes	-(2^63) to (2^63)-1
unsigned long long	8bytes	0 to 18,446,744,073,709,551,615
float	4bytes	1.2E-38 to 3.4E+38
double	8bytes	2.3E-308 to 1.7E+308
long double	12bytes	3.4E-4932 to 1.1E+4932
wchar_t	2 or 4 bytes	1 wide character

 

Type	Size of type
BYTE	1byte	unsigned char
WORD	2byte	unsigned short
DWORD	4byte	unsigned long