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c语言int占几个字节

更新时间: 2021-03-07 07:32:05     

int所占的字节数是根据要运行的系统架构决定的,编译器决定了程序要输出的对应架构,对于不同的架构,int占的字节数不同。

1、16位编译器

char :1个字节

char*(即指针变量): 2个字节

short int : 2个字节

int: 2个字节

unsigned int : 2个字节

float: 4个字节

double: 8个字节

long: 4个字节

long long: 8个字节

unsigned long: 4个字节

2、32位编译器

char :1个字节

char*: 4个字节

short int : 2个字节

int: 4个字节

unsigned int : 4个字节

float: 4个字节

double: 8个字节

long: 4个字节

long long: 8个字节

unsigned long: 4个字节

关键词: 语言 int 字节

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