wasi-libc as a whole is multi-licensed under the
Apache License v2.0 with LLVM Exceptions, the Apache License v2.0, and
the MIT License. See the LICENSE-APACHE-LLVM, LICENSE-APACHE and LICENSE-MIT
files, respectively, for details.

Portions of this software are derived from third-party works covered by
their own licenses:

dlmalloc/                     - CC0; see the notice in malloc.c for details
emmalloc/                     - MIT; see the notice in emmalloc.c for details
libc-bottom-half/cloudlibc/   - BSD-2-Clause; see the LICENSE file for details
libc-top-half/musl/           - MIT; see the COPYRIGHT file for details

wasi-libc's changes to these files are multi-licensed under the
Apache License v2.0 with LLVM Exceptions, the Apache License v2.0,
the MIT License, and the original licenses of the third-party works.