pub unsafe extern "C" fn nix_init_external(
context: *mut nix_c_context,
value: *mut nix_value,
val: *mut ExternalValue,
) -> nix_err
pub unsafe extern "C" fn nix_init_external(
context: *mut nix_c_context,
value: *mut nix_value,
val: *mut ExternalValue,
) -> nix_err