CCS3.3中每种数据类型的长度和取值范围总结 -- gujunyi6688's Blog

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CCS3.3中每种数据类型的长度和取值范围总结

数据类型	长度(字节)	值域
char	1	ASCII码字符
unsigned char	1	-128~127
signed char	1	0~255
unsigned int	4	0~4294967296
int/signed int	4	-2147483648- 2147483647
unsigned short/unsigned short int	2	0~ 65535
short/short int/signed short/signed short int	2	- 32768~ 32767
unsigned long/unsigned long int	8	0~1.8447e+019
long/long int/signed long/signed long int	8	-9.2234e+018~9.2234e+018
float	4	约精确到小数点后6位数
double	8	约精确到小数点后15位数

         已测试，请大家放心使用！