MainID MainID - 1 year ago 144
C Question

Difference between C/C++ Runtime Library and C/C++ Standard Library

Can you guys tell me the difference between them?

BTW is there something called C++ library or C library??



Answer Source

The C++ Standard Library and C Standard Library are the libraries that the C++ and C Standard define that is provided to C++ and C programs to use. That's a common meaning of those words, i haven't ever seen another definition of it, and C++ itself defines it as this:

The C++ Standard Library provides an extensible framework, and contains components for: language support, diagnostics, general utilities, strings, locales, containers, iterators, algorithms, numerics, and input/output. The language support components are required by certain parts of the C++ language, such as memory allocation (5.3.4, 5.3.5) and exception processing (clause 15).

C++ Runtime Library and C Runtime Library aren't so equally used. Some say a runtime library is the part that a program uses at runtime (like, the code that implements std::type_info or the code supporting signal handlers) as opposed to stuff that they only use at compile time (like macro definitions). Other people say that a runtime library is one that is linked to a program at load time dynamically, as opposed to statically at compile time, though this use is very seldom. shared library or dynamically linked library are better terms for that.

C++ Library and C Library are very broad terms. They just mean that a library is written in C++ and/or C.

The above is not only limited to C++ and/or C. There are python libraries and there is a python Standard Library too.

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