4typedef unsigned int UINT32; 5 6typedef signed char INT8; 7typedef signed short INT16; 8 9typedef signed int INT32; 10 11typedef float FLOAT; 12 13typedef double DOUBLE; 14 15typedef char CHAR; 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 第二种:就是我们在s...
2> short int == short: 2个字节 (%d、%i) 3> unsigned int == unsigned: 4个字节(%zd、%zi) 4> signed int == signed == int: 4个字节 (%d、%i) float\double 1> float : 4个字节(%f) 2> double: 8个字节(%f) char 1> 1个字节 (%c %d) 2> char 类型保存在内存中的是它的 ASCII...
7typedefsignedshortINT16; 8 9typedefsignedintINT32; 10 11typedeffloatFLOAT; 12 13typedefdoubleDOUBLE; 14 15typedefcharCHAR; 第二种:就是我们在stm32里面结构体定义的时候经常会看到(标准库操作): 今天我们要讲的typedef用法,平时大家一般可能都没怎么注意到,这里给大家总结一下,以便下次特别是在读linux内核...
typedef unsigned char uint8; typedef signed long int int32; typedef signed short int16; typedef signed char int8; //下面的不建议使用 typedef unsigned char byte; typedef unsigned short word; typedef unsigned long dword; typedef unsigned char uint1; typedef unsigned short uint2; typedef unsigned ...
typedef unsigned charUINT8;typedef unsigned shortUINT16;typedef unsigned intUINT32;typedef signed charINT8;typedef signed shortINT16;typedef signed intINT32;typedef floatFLOAT;typedef doubleDOUBLE;typedef charCHAR; 第二种:就是我们在stm32里面结构体定义的时候经常会看到(标准库操作): ...
我们列出七种比较常用的数据类型 ,其中 wchar_twchar_t 是通过 typedef short int wchar_t 得到。 typedef 是C++里面的一个关键字。 后续会提及。 故此,shrt int 和 wchar_t 是同一种数据类型,只是换了一个名字,基本类型可以使用 (1)unsigned (2)signed (3)short (4) long 等关键字修饰。 类型位范围 ...
typedef signed long int int32; typedef signed short int16; typedef signed char int8; //下面的不建议使用 typedef unsigned char byte; typedef unsigned short word; typedef unsigned long dword; typedef unsigned char uint1; typedef unsigned short uint2; ...
*/typedef signed short int2; /* Signed 16 bit value type. */typedef long int int4; /* Signed 32 bit value type. */typedef signed long sint31; /* Signed 32 bit value */typedef signed short sint15; /* Signed 16 bit value */typedef signed char sint7; /* Signed 8 bit value */...
typedefsignedcharint8_t;typedefshortint16_t;typedefintint32_t;typedeflonglongint64_t; 用于区分该整数占用几个字节,在实际开发中,可以直接使用标准库中的类型:int8_t、int16_t、int32_t、int64_t,其中int8_t占用1个字节,int16_t占用2个字节,int32_t占用4个字节,int64_t占用8个字节。
typedef __int64 intptr_t; 为了保证平台的通用性,程序中尽量不要使用long数据库型。可以使用固定大小的数据类型宏定义: typedefsignedcharint8_ttypedefshortintint16_t;typedefintint32_t;# if __WORDSIZE == 64typedeflongintint64_t;# else__extension__typedeflonglongintint64_t;#endif...