C语言中(Vc6.0),int, char,double分别占多少字节?

2025-04-06 16:02:06
推荐回答(4个)
回答1:

int分为long int和short int,其中long int是4个字节,short int是2个字节。

char 1个字节。

double 8个字节。

拓展资料:

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

32位编译器

char :1个字节
char*(即指针变量): 4个字节(32位的寻址空间是2^32, 即32个bit,也就是4个字节。同理64位编译器)
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

64位编译器

char :1个字节
char*(即指针变量): 8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:   8个字节
long long:  8个字节
unsigned long:  8个字节

回答2:

char 1个字节
float 4个字节
double 8个字节
int分为long int和short int,其中long int是4个字节,short int是2个字节
在vc编译器中int默认是long int,因此int在vc6.0里面是4个字节

回答3:

最佳答案
char 1个字节
float 4个字节
double 8个字节
int分为long int和short int,其中long int是4个字节,short int是2个字节
在vc编译器中int默认是long int,因此int在vc6.0里面是4个字节

回答4:

Visual C++ 6.0,简称VC或者VC6.0,是微软推出的一款C++编译器,将“高级语言”翻译为“机器语言(低级语言)”的程序。Visual C++是一个功能强大的可视化软件开发工具。

其中int 占4个字节, char 占一个字节,double占8个字节。

你可以在Vc里用下面的代码测试一下:

#include 
#include 
int main()
{
    int i;
    i=sizeof(int);
    printf("int占%d个字节\n",i);
        i=sizeof(char);
    printf("char占%d个字节\n",i);
        i=sizeof(double);
    printf("double占%d个字节\n",i);
    system("pause");
    return 0;
}

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