29 #if U_IOSTREAM_SOURCE >= 199711
46 U_IO_API std::ostream & U_EXPORT2 operator<<(std::ostream& stream,
const UnicodeString& s);
54 U_IO_API std::istream & U_EXPORT2 operator>>(std::istream& stream, UnicodeString& s);
#define U_NAMESPACE_BEGIN
This is used to begin a declaration of a public ICU C++ API.
#define U_NAMESPACE_END
This is used to end a declaration of a public ICU C++ API.
#define U_IO_API
Set to export library symbols from inside the ustdio library, and to import them from outside...