typedef unsigned long long int uint64_t;#endif 4、格式化输出: 代码语言:javascript 复制 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 代码语言:javascript 复制 typedef unsigned char uint8_t; uint8_t实际上是一个char。所以输出uint8_t类型的变量实际上输出其...
C语言中常用的基本数据类型有:char、short、int、long、float、double: 2.无符号数据类型 在上述整型数据类型前加上unsigned,则为无符号类型: 3.整型数据别名 为了代码编写和阅读方便,我们通常会将数据类型名称声明为简写方式,即uin8_t/uint16_t/uint32_t/uint64_t,或者UINT8/UINT16/UINT32/UINT64。因此uin*...
typedef int int32_t; # if __WORDSIZE == 64 typedef long int int64_t; # else __extension__ typedef long long int int64_t; # endif #endif typedef unsigned char uint8_t; typedef unsigned short int uint16_t; #ifndef __uint32_t_defined typedef unsigned int uint32_t; # define __ui...
void serializeu64(unsigned long long i,char buf[]) { unsigned long long mask = 0xff00000000000000;//字节掩码位 for(int l = 0;l<8;l++) { auto move = 8-l-1; auto f = i&mask;//取对应字节掩码位的字节数据 char res = (char)(f>>(8*move)); buf[l]=res; mask = mask >> 8...
typedeflonglongintint64_t; # endif#endiftypedef unsignedcharuint8_t; typedef unsignedshortintuint16_t; #ifndef __uint32_t_defined typedef unsignedintuint32_t; # define __uint32_t_defined#endif#if__WORDSIZE == 64typedef unsignedlongintuint64_t;#else__extension__ ...
unsignedlonglongvalue=0xFFFFFFFFFFFFFFFF; uint8_tnumber8 = value; uint16_tnumber16 = value; uint32_tnumber32 = value; uint64_tnumber64 = value; cout << (int)number8 << endl;//得到255 cout << number16 << endl;//得到65535
人有十个手指头，习惯了逢十进一，于是十进制成了生活中的标准。程序的世界只有高低电平两种状态，更...
typedef long long int int64_t; # endif #endif typedef unsigned char uint8_t; typedef unsigned short int uint16_t; #ifndef __uint32_t_defined typedef unsigned int uint32_t; # define __uint32_t_defined #endif #if __WORDSIZE == 64 ...
typedef unsigned short int uint16_t;#ifndef __uint32_t_defined typedef unsigned int uint32_t;# define __uint32_t_defined #endif #if __WORDSIZE == 64 typedef unsigned long int uint64_t;#else __extension__typedef unsigned long long int uint64_t;#endif ...
typedef unsigned short int uint16_t; #ifndef __uint32_t_defined typedef unsigned int uint32_t; # define __uint32_t_defined #endif #if __WORDSIZE == 64 typedef unsigned long int uint64_t; #else __extension__ typedef unsigned long long int uint64_t; ...