to_string() handling for unknown error codes #88Disable “libc/std” in no-std configurations. #77
Bump errno-dragonfly to 0.1.2 #75
Support for the ESP-IDF framework #74
Add haiku support #42
Add AIX support #54
Add formatting with #![no_std] #44
Switch from winapi to windows-sys #55
Upgrade to Rust 2018 edition #59
wasm32-wasi: Use __errno_location instead of feature(thread_local). #66