#include <sstream>\r
#include <algorithm>\r
#include <cstdarg>\r
#include <sstream>\r
#include <algorithm>\r
#include <cstdarg>\r
+#include <cstring>\r
+#include <cstdlib>\r
\r
#ifdef _WIN32\r
#include <ws2tcpip.h>\r
\r
#ifdef _WIN32\r
#include <ws2tcpip.h>\r