91 lines
1.7 KiB
C
91 lines
1.7 KiB
C
/* SPDX-License-Identifier: GPL-3.0-or-later */
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/* See the end of this file for copyright, license, and warranty information. */
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#include <ctype.h>
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int isalpha(int c)
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{
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return (c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z');
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}
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int isblank(int c)
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{
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return c == ' ' || c == '\t';
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}
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int iscntrl(int c)
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{
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return c == 0x7F || (c >= 0 && c <= 0x1F);
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}
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int isdigit(int c)
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{
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return c >= '0' && c <= '9';
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}
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int isgraph(int c)
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{
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/* space *not* included */
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return c > 0x20 && c <= 0x7E;
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}
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int islower(int c)
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{
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return c >= 'a' && c <= 'z';
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}
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int isprint(int c)
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{
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/* space *is* included */
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return c >= 0x20 && c <= 0x7E;
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}
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int ispunct(int c)
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{
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return isprint(c) && !isalnum(c);
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}
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int isspace(int c)
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{
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return c == ' ' || (c >= '\n' && c <= '\r');
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}
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int isupper(int c)
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{
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return c >= 'A' && c <= 'Z';
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}
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int isxdigit(int c)
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{
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return (c >= '0' && c <= '9')
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|| (c >= 'A' && c <= 'F')
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|| (c >= 'a' && c <= 'f');
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}
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int isascii(int c)
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{
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return c & 0x7F;
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}
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int isalnum(int c)
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{
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return isalpha(c) || isdigit(c);
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}
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/*
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* This file is part of Ardix.
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* Copyright (c) 2020, 2021 Felix Kopp <owo@fef.moe>.
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*
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* Ardix is free software: you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* Ardix is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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