typedef unsigned long long int uint64;//这里的64是指64位,不是64字节; 定义了一个无符号的长长整型unit64; unit64 a;//定义了一个无符号的长长整型变量a; typedef int Arr[10];//这个比较难理解;去掉typedef,定义了一个长度为10的 整型数组变量Arr,然后加上typedef,定义了一个整型数组类型Arr; Arr a...
typedef unsigned int uint32_t; typedef unsigned long long uint64_t; typedef signed char s8; typedef signed short int s16; typedef signed int s32; typedef signed long long int s64; typedef unsigned char u8; typedef unsigned short int u16; typedef unsigned int u32; typedef unsigned long lon...
typedef __int64 Int64;#if_MSC_VER <= 1200//MS VC6typedef __int64 UInt64;//MS VC6 does not support unsigned __int64 to double conversion#elsetypedef unsigned __int64 UInt64;#endif#elsetypedeflonglongInt64; typedef unsignedlonglongUInt64; 4、为复杂的声明定义一个新的简单的别名。方法是:在...
long long ago, 整形数据比较混乱，int / long int / long long int / unsigned long long int，越...
typedef unsignedlonglonguint64_t;#endif#ifdefined(WIN32)typedef __int64 WebRtc_Word64; typedef unsigned __int64 WebRtc_UWord64;#elsetypedef int64_t WebRtc_Word64; typedef uint64_t WebRtc_UWord64;#endiftypedef int32_t WebRtc_Word32; ...
typedefunsigned__int64 uint64; #else typedefunsignedlonglonguint64;//NOLINT #endif/*COMPILER_MSVC*/ OpenCV defined: typedefint64_tint64;typedefuint64_tuint64; https://github.com/opencv/opencv/blob/197285d12a8aa8c5b799f17f41089ac85db5f5bc/modules/core/include/opencv2/core/hal/interface.h#L61...
unsigned long long类型定义一个名为 u64的别名,使其更加简洁易懂。 简化结构体和联合体的定义:对于嵌套结构体或联合体,可以使用 typedef来定义内部成员类型的别名,从而使定义更加清晰易读。 屏蔽平台相关的类型定义:在跨平台开发中,可以使用 typedef来屏蔽不同平台上差异的类型定义,从而使代码更加通用。 typedef的注...
21typedef unsigned int u_int32_t ; 22#endif 23 24#ifndef u_int64_t 25typedef unsigned _int64 u_int64_t ; 26#endif 27 28#endif /* _TYPES_H_ */ Analysis ▪ At line 12, anifndefpre-compiler directive is used to determine if theu_int8_tdata type has been declared. If it has...
unsigned char a[16]="ABCDEFGHIJKLMNO";typedef unsigned long INT32U;INT32U A[4],b[4];/*计算示例段*/ A[0]=0x696A6B6C;A[1]=0x69*0x1000000+0x6A*0x10000+0x100*0x6B+0x6C;A[2]=(long)105*0x1000000+(long)106*0x10000+(long)107*0x100+(long)108;printf("Example:%lx\...
不同的平台会有不同的字长,所以利用预编译和typedef可以方便的维护代码。...uint64_t; #else __extension__ typedef unsigned long long int uint64_t; #endif 4、格式化输出: uint16..._t %hu uint32_t %u uint64_t %llu 5 、uint8_t类型的输出: 注意uint8_t的定义为 typedef unsigned ...