U | |||
-U, compiler option ( ) ( ) | |||
ulimit, command ( ) | |||
unexpected() function ( ) | |||
union declaration specifier ( ) | |||
__unix, predefined macro ( ) | |||
unix, predefined macro ( ) | |||
UNIX tools ( ) | |||
-unroll=n, compiler option ( ) | |||
user-defined types | |||
iostream ( ) | |||
MT-safe ( ) |