C/C++ Library

Library(computing)-wiki; Program Library Howto;

C Library:
C standard library-wiki
GNU C Library-wiki;
C POSIX Library-wiki

The GNU Readline Library:
GNU readline - Wiki
The GNU Readline Library HomePage

C++ Library:
C++ standard library-wiki
C++ standard template library-wiki
C++ Technical Report 1-wiki
C++ TR1 Information from Scott Meyer
C++ Ox+ - wiki
Dinkum C++ Library
Loki-wiki

GNU C/C++ Library:
GNU Libtool

GNU C Library(glibc): The GNU C library is used as the C library in the GNU system and most systems with the Linux kernel. In general the GNU C library supports the ISO C and POSIX standards.
GNU standard C library ; GNU C Library Manual

GNU standard C++ library
User's Guide to the GNU C++ Library - From Utah University Document Tree

GNU Common C++

STL: STLport ; SGI STL;
Microsoft: MSDN C++ standard library reference;
Boost: Boost; Boost.Python; Boost Trac;
StdExt: StdExt Chinese Version;