标签:数据类型 printf 就是 oid include 例子 类型 \n ble
/*
sizeof(数据类型),返回值就是该数据类型所占的字节数
例子: sizeof(int) = 4
sizeof(char) = 1
sizeof(double) = 8
sizeof(变量名),返回值就是该变量所占的字节数
总结:
一个指针变量,无论它指向的变量占几个字节,该指针变量本身只占4个字节
*/
#include <stdio.h>
int main(void)
{
int a;
char b;
double c;
int * p = &a;
char * q = &b;
double * r = &c;
printf("%d %d %d\n", sizeof(double *), sizeof(q), sizeof(r));
return 0;
}
标签:数据类型 printf 就是 oid include 例子 类型 \n ble
原文地址:https://www.cnblogs.com/bingyunbuxi/p/9901571.html