Date: 2011apr12 Update: 2025aug12 Platform: Windows Language: C/C++ Q. Win32: Where is _sntprintf(...) defined? A. In tchar.h So do:

#include <tchar.h> // For _sntprintf ... char buf[100]; _sntprintf(buf, sizeof(buf), _T("%d.%d.%d.%d"), 1, 2, 3, 4);