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#include <iostream>
#include <typeinfo>
using namespace std;
#define gettype(id) (cout<<typeid(id).name()<<endl)
int a;
char arrChar[10];
char str1[] = "string";
char str2[] = "string?";
char *p1 = str1;
char *p2 = str2;
int main()
{
gettype(a);
gettype(arrChar);
gettype(str1);
gettype(str2);
gettype(p1);
gettype(p2);
return 0;
}

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6.2.5 Types
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    Array types are characterized by their element type and by the number of elements in the array.
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#include<malloc.h>
#define LEN sizeof(struct link)
struct link
{
char ch;
struct link *next;
}*string;
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