C语言知识点学习之地址参数

void ChangeToAny(int addr)
{
     type *p = NULL;
     p = (type*)addr;
 
     //execute p.
}
e:
int main()
{
     double d = 12.12;
     ChangeToAny( (int)&d ); 
 
     //func is a function.
     ChangeToAny( (int)&func );
     return 0;
}