C语言的标准和一些基本的数据类型

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C++ reference

C++98, C++03, C++11, C++14, C++17 C reference C89, C95, C99, C11 char unsigned char short int  float double long   long long  long double long double long long int C语言的数据类型 一、基本类型  1、整形类型：int ,short int,long int,long long int(C99),char,bool 2、浮点类型：float ,double,双精度浮点型(float_complex,double_complex,long long_comples) 二、枚举类型 enum 三、空类型 void 四、派生类型  1、指针类型 * 2、数组类型 [] 3、结构体类型 struct 4、共用体类型 union 5、函数类型 定宽整数类型 (C99起) 定义于头文件 <stdint.h> typedef signed char        int8_t; typedef short              int16_t; typedef int                int32_t; typedef long long          int64_t; typedef unsigned char      uint8_t; typedef unsigned short     uint16_t; typedef unsigned int       uint32_t; typedef unsigned long long uint64_t; typedef signed char        int_least8_t; typedef short              int_least16_t; typedef int                int_least32_t; typedef long long          int_least64_t; typedef unsigned char      uint_least8_t; typedef unsigned short     uint_least16_t; typedef unsigned int       uint_least32_t; typedef unsigned long long uint_least64_t; typedef signed char        int_fast8_t; typedef int                int_fast16_t; typedef int                int_fast32_t; typedef long long          int_fast64_t; typedef unsigned char      uint_fast8_t; typedef unsigned int       uint_fast16_t; typedef unsigned int       uint_fast32_t; typedef unsigned long long uint_fast64_t; typedef long long          intmax_t; typedef unsigned long long uintmax_t;