#include <cstdio>
#include <sstream>

void user_write(const char *string) {
	const char* nice_string;
	//std::ostringstream nice_string;
	nice_string << string;
	nice_string << "\r\n";
	//printf(string + "\r\n");
	printf(nice_string);
}

int main(/*int argc, char **argv*/) {
	user_write("example\r\n");
	printf("should be same");
	return 0;
}