_errno

pub const _errno = switch (native_os) {
    .linux => switch (native_abi) {
        .android, .androideabi => private.__errno,
        else => private.__errno_location,
    },
    .emscripten => private.__errno_location,
    .wasi, .dragonfly => private.errnoFromThreadLocal,
    .windows => private._errno,
    .macos, .ios, .tvos, .watchos, .visionos, .freebsd => private.__error,
    .solaris, .illumos => private.___errno,
    .openbsd, .netbsd => private.__errno,
    .haiku => haiku._errnop,
    // https://github.com/SerenityOS/serenity/blob/a353ceecf13b6f156a078e32f1ddf1d21366934c/Userland/Libraries/LibC/errno.h#L33
    .serenity => private.__errno_location,
    else => {},
}