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// iscntrl example (C++)
#include <iostream> // std::cout
#include <string> // std::string
#include <locale> // std::locale, std::iscntrl
int main ()
{
std::locale loc;
std::string str="first line \n second line \n";
for (std::string::size_type i=0; i<str.length(); ++i)
{
if (std::iscntrl(str[i])) break;
std::cout << str[i];
}
return 0;
}
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