Return 0 iff a == b, 1 iff a > b, 2 iff a ? b, -1 iff a < b
Copyright (C) 1997-2021 Free Software Foundation, Inc.
This file is part of the GNU C Library.
- Contributed by Richard Henderson (rth@cygnus.com) and
- Jakub Jelinek (jj@ultra.linux.cz).
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public