<cstdint>
包含标准 C 库标头 <stdint.h> 并将关联名称添加到 std 命名空间。 包含该标头还将确保使用标准 C 库标头中的外部链接声明的名称在 std 命名空间中声明。
语法
#include <cstdint>
类型
namespace std {
using int8_t = signed integer type; // optional
using int16_t = signed integer type; // optional
using int32_t = signed integer type; // optional
using int64_t = signed integer type; // optional
using int_fast8_t = signed integer type;
using int_fast16_t = signed integer type;
using int_fast32_t = signed integer type;
using int_fast64_t = signed integer type;
using int_least8_t = signed integer type;
using int_least16_t = signed integer type;
using int_least32_t = signed integer type;
using int_least64_t = signed integer type;
using intmax_t = signed integer type;
using intptr_t = signed integer type; // optional
using uint8_t = unsigned integer type; // optional
using uint16_t = unsigned integer type; // optional
using uint32_t = unsigned integer type; // optional
using uint64_t = unsigned integer type; // optional
using uint_fast8_t = unsigned integer type;
using uint_fast16_t = unsigned integer type;
using uint_fast32_t = unsigned integer type;
using uint_fast64_t = unsigned integer type;
using uint_least8_t = unsigned integer type;
using uint_least16_t = unsigned integer type;
using uint_least32_t = unsigned integer type;
using uint_least64_t = unsigned integer type;
using uintmax_t = unsigned integer type;
using uintptr_t = unsigned integer type; // optional
}
宏
INT_[FAST LEAST]{8 16 32 64}_MIN
[U]INT_[FAST LEAST]{8 16 32 64}_MAX
INT{MAX PTR}_MIN
[U]INT{MAX PTR}_MAX
{PTRDIFF SIG_ATOMIC WCHAR WINT}{_MAX _MIN}
SIZE_MAX
[U]INT{8 16 32 64 MAX}_C