C++ in a Nutshell

UCHAR_MAX macro (<climits> header)  

uflow function

       (basic_filebuf class template)  

       (basic_streambuf class template)  

UINT_MAX macro (<climits> header)  

ULONG_MAX macro (<climits> header)  

unary expressions  

unary_function class template (<functional> header)  

unary_negate class template (<functional> header)  

uncaught_exception function (<exception> header)  

undefined behavior (glossary definition)  

underflow function

       (basic_filebuf class template)  

       (basic_streambuf class template)  

       (basic_stringbuf class template)  

       (strstreambuf class)  

underflow_error class (<stdexcept> header)  

underscores

       identifiers starting with  

       identifiers with two consecutive  

unexpected constructor calls  

unexpected function  

       (<exception> header)  

unformatted I/O  

unget function (basic_istream class template)  

ungetc function (<cstdio> header)  

ungetwc function (<cwchar> header)  

Unicode characters in source file  

uninitialized_copy function template (<memory> header)  

uninitialized_fill function template (<memory> header)  

uninitialized_fill_n function template (<memory> header)  

union keyword  

       C versus C++  

unions  

       anonymous   [See anonymous unions]

       C versus C++  

       versus inheritance  

unique function (list class template)  

unique function template (<algorithm> header)   2nd  

unique_copy function template (<algorithm> header)   2nd  

unitbuf function  

       (<ios> header)  

unitbuf literal  

universal characters  

       compilers and  

unnamed namespace  

unqualified function calls   2nd  

unqualified name  

unqualified name lookup  

unsetf function (ios_base class)  

unshift function (codecvt class template)  

unsigned char type  

unsigned long int type  

unsigned short int type  

upper_bound function  

       (map class template)  

       (multimap class template)  

       (multiset class template)  

       (set class template)  

upper_bound function template (<algorithm> header)   2nd  

uppercase function  

       (<ios> header)  

uppercase literal  

use_facet function template (<locale> header)  

user -defined conversion sequence  

USHRT_MAX macro (<climits> header)  

using declarations   2nd  

using directives   2nd  

       within classes or namespaces  

UTF-32 encoding  

_ _uuidof operator (RAD extension)