errno-no-std

Cross-platform interface to the errno variable.

An improved version of the errno crate.

Examples

```rust use errno::{Errno, errno, set_errno};

// Get the current value of errno let e = errno();

// Set the current value of errno set_errno(e);

// Extract the error code as an i32 let code = e.0;

// Display a human-friendly error message println!("Error {}: {}", code, e); ```