Focused crawls are collections of frequently-updated webcrawl data from narrow (as opposed to broad or wide) web crawls, often focused on a single domain or subdomain.
The Wayback Machine - https://web.archive.org/web/20200422171928/http://cplusplus.com/reference/
Reference
Reference
Standard C++ Library reference
C Library
The elements of the C language library are also included as a subset of the C++ Standard library. These cover many aspects, from general utility functions and macros to input/output functions and dynamic memory management functions:
Provides functionality to use an abstraction called streams specially designed to perform input and output operations on sequences of character, like files or strings.
This functionality is provided through several related classes, as shown in the following relationship map, with the corresponding header file names on top: