| strmsize.h | This file contains stream_size_of functions for basic types and *STREAMABLE macros. stream_size_of functions return the size of the object's data that is written or read from a stream |
| uiterator.h | Contains various iterator adapters |
| unew.h | Same as <new>, but throws ustl:: exceptions |
| upair.h | Pair-related functionality |
| uutility.h | Utility templates |