c语言——初阶指针
2023-07-24
23 浏览
int main()
{
int a = 10;//在内存中开辟一块空间
int* pa = &a;//这里我们对变量a,取出它的地址,可以使用&操作符。
//a变量占用4个字节的空间,这里是将a的4个字节的第一个字节的地址存放在p变量 中,pa就是一个之指针变量。
return 0;
}
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int num = 10;
p = #
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