Defines | |
| #define | __USING_MINT8 0 |
| #define | __CONCATenate(left, right) left ## right |
| #define | __CONCAT(left, right) __CONCATenate(left, right) |
Limits of specified-width integer types
| |
C++ implementations should define these macros only when __STDC_LIMIT_MACROS is defined before <stdint.h> is included
| |
| #define | INT8_MAX 0x7f |
| #define | INT8_MIN (-INT8_MAX - 1) |
| #define | UINT8_MAX (__CONCAT(INT8_MAX, U) * 2U + 1U) |
| #define | INT16_MAX 0x7fff |
| #define | INT16_MIN (-INT16_MAX - 1) |
| #define | UINT16_MAX (__CONCAT(INT16_MAX, U) * 2U + 1U) |
| #define | INT32_MAX 0x7fffffffL |
| #define | INT32_MIN (-INT32_MAX - 1L) |
| #define | UINT32_MAX (__CONCAT(INT32_MAX, U) * 2UL + 1UL) |
| #define | INT64_MAX 0x7fffffffffffffffLL |
| #define | INT64_MIN (-INT64_MAX - 1LL) |
| #define | UINT64_MAX (__CONCAT(INT64_MAX, U) * 2ULL + 1ULL) |
Limits of minimum-width integer types
| |
| #define | INT_LEAST8_MAX INT8_MAX |
| #define | INT_LEAST8_MIN INT8_MIN |
| #define | UINT_LEAST8_MAX UINT8_MAX |
| #define | INT_LEAST16_MAX INT16_MAX |
| #define | INT_LEAST16_MIN INT16_MIN |
| #define | UINT_LEAST16_MAX UINT16_MAX |
| #define | INT_LEAST32_MAX INT32_MAX |
| #define | INT_LEAST32_MIN INT32_MIN |
| #define | UINT_LEAST32_MAX UINT32_MAX |
| #define | INT_LEAST64_MAX INT64_MAX |
| #define | INT_LEAST64_MIN INT64_MIN |
| #define | UINT_LEAST64_MAX UINT64_MAX |
Limits of fastest minimum-width integer types
| |
| #define | INT_FAST8_MAX INT8_MAX |
| #define | INT_FAST8_MIN INT8_MIN |
| #define | UINT_FAST8_MAX UINT8_MAX |
| #define | INT_FAST16_MAX INT16_MAX |
| #define | INT_FAST16_MIN INT16_MIN |
| #define | UINT_FAST16_MAX UINT16_MAX |
| #define | INT_FAST32_MAX INT32_MAX |
| #define | INT_FAST32_MIN INT32_MIN |
| #define | UINT_FAST32_MAX UINT32_MAX |
| #define | INT_FAST64_MAX INT64_MAX |
| #define | INT_FAST64_MIN INT64_MIN |
| #define | UINT_FAST64_MAX UINT64_MAX |
Limits of integer types capable of holding object pointers
| |
| #define | INTPTR_MAX INT16_MAX |
| #define | INTPTR_MIN INT16_MIN |
| #define | UINTPTR_MAX UINT16_MAX |
Limits of greatest-width integer types
| |
| #define | INTMAX_MAX INT64_MAX |
| #define | INTMAX_MIN INT64_MIN |
| #define | UINTMAX_MAX UINT64_MAX |
Limits of other integer types
| |
C++ implementations should define these macros only when __STDC_LIMIT_MACROS is defined before <stdint.h> is included
| |
| #define | PTRDIFF_MAX INT16_MAX |
| #define | PTRDIFF_MIN INT16_MIN |
| #define | SIG_ATOMIC_MAX INT8_MAX |
| #define | SIG_ATOMIC_MIN INT8_MIN |
| #define | SIZE_MAX (__CONCAT(INT16_MAX, U)) |
Macros for integer constants
| |
C++ implementations should define these macros only when __STDC_CONSTANT_MACROS is defined before <stdint.h> is included.
These definitions are valid for integer constants without suffix and for macros defined as integer constant without suffix | |
| #define | INT8_C(value) ((int8_t) value) |
| #define | UINT8_C(value) ((uint8_t) __CONCAT(value, U)) |
| #define | INT16_C(value) value |
| #define | UINT16_C(value) __CONCAT(value, U) |
| #define | INT32_C(value) __CONCAT(value, L) |
| #define | UINT32_C(value) __CONCAT(value, UL) |
| #define | INT64_C(value) __CONCAT(value, LL) |
| #define | UINT64_C(value) __CONCAT(value, ULL) |
| #define | INTMAX_C(value) __CONCAT(value, LL) |
| #define | UINTMAX_C(value) __CONCAT(value, ULL) |
Typedefs | |
Exact-width integer types
| |
Integer types having exactly the specified width
| |
| typedef signed char | int8_t |
| typedef unsigned char | uint8_t |
| typedef signed int | int16_t |
| typedef unsigned int | uint16_t |
| typedef signed long int | int32_t |
| typedef unsigned long int | uint32_t |
| typedef signed long long int | int64_t |
| typedef unsigned long long int | uint64_t |
Integer types capable of holding object pointers
| |
These allow you to declare variables of the same size as a pointer.
| |
| typedef int16_t | intptr_t |
| typedef uint16_t | uintptr_t |
Minimum-width integer types
| |
Integer types having at least the specified width
| |
| typedef int8_t | int_least8_t |
| typedef uint8_t | uint_least8_t |
| typedef int16_t | int_least16_t |
| typedef uint16_t | uint_least16_t |
| typedef int32_t | int_least32_t |
| typedef uint32_t | uint_least32_t |
| typedef int64_t | int_least64_t |
| typedef uint64_t | uint_least64_t |
Fastest minimum-width integer types
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Integer types being usually fastest having at least the specified width
| |
| typedef int8_t | int_fast8_t |
| typedef uint8_t | uint_fast8_t |
| typedef int16_t | int_fast16_t |
| typedef uint16_t | uint_fast16_t |
| typedef int32_t | int_fast32_t |
| typedef uint32_t | uint_fast32_t |
| typedef int64_t | int_fast64_t |
| typedef uint64_t | uint_fast64_t |
Greatest-width integer types
| |
Types designating integer data capable of representing any value of any integer type in the corresponding signed or unsigned category
| |
| typedef int64_t | intmax_t |
| typedef uint64_t | uintmax_t |