Merge pull request #1719 from Minoru/feature/regex

libc-test/build.rs

src/unix/bsd/freebsdlike/mod.rs

src/unix/bsd/mod.rs

src/unix/bsd/netbsdlike/mod.rs

src/unix/linux_like/linux/gnu/mod.rs

src/unix/linux_like/linux/mod.rs

src/unix/linux_like/linux/musl/b32/mod.rs

src/unix/linux_like/linux/musl/b64/mod.rs

src/unix/linux_like/linux/musl/mod.rs