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#include <iostream>
using namespace std;
int main ()
{
if (NULL == '\0') cout<<'1'<<' ';
if (NULL == 0) cout<<'2'<<' ';
if ('\0' == 0) cout<<'3'<<'\n';
char m = ' ', n = ' ';
char a[4];
*a = 'x';
*(a+1) = 'y';
*(a+2) = 'z';
*(a+3) = '\0';
cout<<a<<endl;
char b[4];
* b = 'x';
*(b+1) = 'y';
*(b+2) = 'z';
*(b+3) = NULL;
cout<<b;
while (1);
return 0;
}
char a[4];
*a = 'x';
*(a+1) = 'y';
*(a+2) = 'z';
*(a+3) = '0';
int *p = NULL ;
char c = '\0' ;