GCC does not include a C runtime library. This is supplied by the platform. The MinGW port of GCC uses Microsoft's original (old) Visual C runtime, MSVCRT, which was targeted by Microsoft Visual Studio 6 (released in 1998).
There are various activities that require willing helpers who have a few minutes to spare each week. Below is a list of a few of those things you can help us with.
This is not an exhaustive list there are plenty of other things we do. If you would like to help let us know via the email@example.com mail list.