1 /* 2 tcbasic - a small BASIC Interpreter written in C. 3 Copyright (C) 2015, 2016, 2017 Thomas Cort <linuxgeek@gmail.com> 4 5 This program is free software: you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation, either version 3 of the License, or 8 (at your option) any later version. 9 10 This program is distributed in the hope that it will be useful, 11 but WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 GNU General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with this program. If not, see <http://www.gnu.org/licenses/>. 17 */ 18 19 #ifndef __VAR_H 20 #define __VAR_H 21 22 struct number; 23 struct tokenizer; 24 25 struct var { 26 char value; 27 }; 28 29 struct var *new_var(char value); 30 struct var *parse_var(struct tokenizer *t); 31 struct number *eval_var(struct var *v); 32 void print_var(struct var *v); 33 void free_var(struct var *v); 34 35 #endif 36