Merge branch 'master' into exchangedata

Cargo.lock

Cargo.toml

README.md

ci/docker/aarch64-unknown-linux-musl/Dockerfile

ci/docker/arm-unknown-linux-musleabihf/Dockerfile

ci/docker/i686-unknown-linux-musl/Dockerfile

ci/docker/sparc64-unknown-linux-gnu/Dockerfile

ci/docker/x86_64-unknown-linux-musl/Dockerfile

ci/run.sh

libc-test/Cargo.toml

libc-test/build.rs

src/fuchsia/mod.rs

src/macros.rs

src/redox/net.rs

src/unix/bsd/apple/b64.rs

src/unix/bsd/apple/mod.rs

src/unix/bsd/freebsdlike/dragonfly/mod.rs

src/unix/bsd/freebsdlike/freebsd/mod.rs

src/unix/bsd/netbsdlike/mod.rs

src/unix/bsd/netbsdlike/netbsd/mod.rs