fix canonicalize of libc:

See merge request redox-os/relibc!445

Refactor: inline `core_io`

Closes #175

See merge request redox-os/relibc!441

Implement mknod and mknodat

See merge request redox-os/relibc!442

add libc scheme for /dev/tty etc.

See merge request redox-os/relibc!443

* Extract the minimal set of definitions from `core_io` to `relibc` itself

* Remove dependency on `core_io`

Replace C dlmalloc

See merge request redox-os/relibc!430

Fix thread cleanup after main exits.

See merge request redox-os/relibc!439

Fixed utimes segfault when given nullptr

See merge request redox-os/relibc!438

cfmakeraw: missing disable of ICRNL

See merge request redox-os/relibc!437

Improve the README

See merge request redox-os/relibc!436

Enforce -Wall -Wextra -Werror in tests

See merge request !434

Impl libredox fstat{,vfs}, futimens, clock_gettime.

See merge request redox-os/relibc!433

Switch to a lightweight CStr wrapper

See merge request redox-os/relibc!431

Correctly parse `/etc/passwd` and `/etc/group` on Redox

See merge request redox-os/relibc!432

Redox uses `;` as separators in these files, and doesn't have the
"password" flag in `/etc/group`. With these, it seems to parse fine.

Use libc crate correctly, and future-proof

See merge request redox-os/relibc!429