libnostd

libnostd is a compatibility library for common, non-standard BSD, GNU, and Win32 APIs. No additional compilation is required; it has header-based macro and static inline definitions. It includes transparent cross-platform support for arc4random(), arc4random_buf(), strlcpy(), strlcat(), err.h, sys/param.h, sys/queue.h, sys/tree.h, sys/time.h, stdatomic.h (ISO C1x proposal), strdupa(), strndupa(), and strnlen().