musl
musl is a clean and efficient C standard library implementation. It is lightweight, fast, simple, free, and aims to be correct in the sense of standards-conformance and safety.
PDCLib
The public domain C standard library project aims at providing building blocks are so fundamental that they should be availabl ...
GNU C Library
The GNU C Library, commonly known as glibc, is the GNU Project's implementation of the C standard library. It is used as the C ...