errno-sys 0.2.0

Raw FFI bindings to `errno` location.
Documentation 
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#![deny(warnings)]

fn main() {
    println!("cargo:rerun-if-changed=build.rs");
    println!("cargo:rerun-if-changed=src/errno.c");
    cc::Build::new().file("src/errno.c").compile("lib_rust_errno_sys.a");
}