------- Comment #22 from paolo dot carlini at oracle dot com 2010-09-09 16:08 ------- Jakub, when, by default, cin & co boil down to stdio_sync_filebuf, the underlying basic_streambuf is unbuffered, everything is unbuffered in the C++ library.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45574
