Integer Limits
Microsoft-specific
The limits for integer types are listed in the following table. Preprocessor macros for these limits are also defined when you include the standard header file <climits>.
Limits on Integer Constants
Constant | Meaning | Value |
---|---|---|
CHAR_BIT |
Number of bits in the smallest variable that is not a bit field. | 8 |
SCHAR_MIN |
Minimum value for a variable of type signed char . |
-128 |
SCHAR_MAX |
Maximum value for a variable of type signed char . |
127 |
UCHAR_MAX |
Maximum value for a variable of type unsigned char . |
255 (0xff) |
CHAR_MIN |
Minimum value for a variable of type char . |
-128; 0 if /J option used |
CHAR_MAX |
Maximum value for a variable of type char . |
127; 255 if /J option used |
MB_LEN_MAX |
Maximum number of bytes in a multicharacter constant. | 5 |
SHRT_MIN |
Minimum value for a variable of type short . |
-32768 |
SHRT_MAX |
Maximum value for a variable of type short . |
32767 |
USHRT_MAX |
Maximum value for a variable of type unsigned short . |
65535 (0xffff) |
INT_MIN |
Minimum value for a variable of type int . |
-2147483648 |
INT_MAX |
Maximum value for a variable of type int . |
2147483647 |
UINT_MAX |
Maximum value for a variable of type unsigned int . |
4294967295 (0xffffffff) |
LONG_MIN |
Minimum value for a variable of type long . |
-2147483648 |
LONG_MAX |
Maximum value for a variable of type long . |
2147483647 |
ULONG_MAX |
Maximum value for a variable of type unsigned long . |
4294967295 (0xffffffff) |
LLONG_MIN |
Minimum value for a variable of type long long |
-9223372036854775808 |
LLONG_MAX |
Maximum value for a variable of type long long |
9223372036854775807 |
ULLONG_MAX |
Maximum value for a variable of type unsigned long long |
18446744073709551615 (0xffffffffffffffff) |
If a value exceeds the largest integer representation, the Microsoft compiler generates an error.
See also
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