/* -*-comment-start: "//";comment-end:""-*- * GNU Mes --- Maxwell Equations of Software * Copyright © 2016,2017,2018 Jan (janneke) Nieuwenhuizen * * This file is part of GNU Mes. * * GNU Mes is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or (at * your option) any later version. * * GNU Mes is distributed in the hope that it will be useful, but * WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with GNU Mes. If not, see . */ #include int isnumber (int c, int base) { if (base == 2) return (c >= '0') && (c <= '1'); if (base == 8) return (c >= '0') && (c <= '7'); if (base == 10) return isdigit (c); if (base == 16) return isxdigit (c); }