基本データ型

固定長整数型 (Fixed-width integral types)

stdint.hで宣言されています。

名前 同等の組み込み型
int8_t, uint8_t signed char, unsigned char
int16_t, int16_t short, unsigned short
int32_t, uint32_t int, unsigned int
int64_t, int64_t long long, unsigned long long
int_least8_t, uint_least8_t signed char, unsigned char
int_least16_t, uint_least16_t short, unsigned short
int_least32_t, uint_least32_t int, unsigned int
int_least64_t, uint_least64_t long long, unsigned long long
int_fast8_t, uint_fast8_t signed char, unsigned char
int_fast16_t, uint_fast16_t int, unsigned int
int_fast32_t, uint_fast32_t int, unsigned int
int_fast64_t, uint_fast64_t long long, unsigned long long
intmax_t, uintmax_t long long, unsigned long long
Fixed-width integral types (stdint.h) - Standard Types | MSDN

参考

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