/* Copyright (C) 2008 Emmanuel Varoquaux This file is part of XOS. This program 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. This program 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 this program. If not, see <http://www.gnu.org/licenses/>. */ #ifndef MISC_H #define MISC_H #include <ctype.h> #define RUBOUT '\177' #define letter_or_digit(c) (isalnum(c) || !isascii(c)) #define whitespace(c) ((c) == ' ' || (c) == '\t') #define ctrl_char(c) (((c) & 0x80) == 0 && (c) < 0x20) #define ctrl(c) ((c) & 0x1f) #define unctrl(c) ((c) | 0x40) #endif