有时候需要用到一些最值的宏定义,记录一下。

转载自 "https://blog.csdn.net/caroline_wendy/article/details/24311895"

需包含头文件 climits
nameexpressesvalue*
CHAR_BITNumber of bits in a char object (byte)8 or greater*
SCHAR_MINMinimum value for an object of type signed char-127 (-27+1) or less*
SCHAR_MAXMaximum value for an object of type signed char127 (27-1) or greater*
UCHAR_MAXMaximum value for an object of type unsigned char255 (28-1) or greater*
CHAR_MINMinimum value for an object of type chareither SCHAR_MIN or 0
CHAR_MAXMaximum value for an object of type chareither SCHAR_MAX or UCHAR_MAX
MB_LEN_MAXMaximum number of bytes in a multibyte character, for any locale1 or greater*
SHRT_MINMinimum value for an object of type short int-32767 (-215+1) or less*
SHRT_MAXMaximum value for an object of type short int32767 (215-1) or greater*
USHRT_MAXMaximum value for an object of type unsigned short int65535 (216-1) or greater*
INT_MINMinimum value for an object of type int-32767 (-215+1) or less*
INT_MAXMaximum value for an object of type int32767 (215-1) or greater*
UINT_MAXMaximum value for an object of type unsigned int65535 (216-1) or greater*
LONG_MINMinimum value for an object of type long int-2147483647 (-231+1) or less*
LONG_MAXMaximum value for an object of type long int2147483647 (231-1) or greater*
ULONG_MAXMaximum value for an object of type unsigned long int4294967295 (232-1) or greater*
LLONG_MINMinimum value for an object of type long long int-9223372036854775807 (-263+1) or less*
LLONG_MAXMaximum value for an object of type long long int9223372036854775807 (263-1) or greater*
ULLONG_MAXMaximum value for an object of type unsigned long long int18446744073709551615 (264-1) or greater*
Last modification:October 18th, 2019 at 05:55 pm
If you think my article is useful to you, please feel free to appreciate