pub unsafe extern "C" fn nix_external_print(
context: *mut nix_c_context,
printer: *mut nix_printer,
str_: *const c_char,
) -> nix_err
pub unsafe extern "C" fn nix_external_print(
context: *mut nix_c_context,
printer: *mut nix_printer,
str_: *const c_char,
) -> nix_err