#include <string>
#include <iostream>
int main()
{
//char ch[11]= "01234\06789\0";
std::string s= "01234\0m789\0";
for(size_t i=0; i<s.size(); ++i)
{
if(s[i]!='\0')
std::cout<<s[i]<<std::endl;
else
std::cout<<"NULL"<<std::endl;
}
std::cout<<"end";
getchar();
return 0;
}
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