/usr/include/proftpd/ascii.h is in proftpd-dev 1.3.5a-1build1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | /*
* ProFTPD - FTP server daemon
* Copyright (c) 2013 The ProFTPD Project team
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA.
*
* As a special exemption, The ProFTPD Project team and other respective
* copyright holders give permission to link this program with OpenSSL, and
* distribute the resulting executable, without including the source code for
* OpenSSL in the source distribution.
*/
/* ASCII character checks
* $Id: ascii.h,v 1.1 2013-02-15 22:33:23 castaglia Exp $
*/
#ifndef PR_ASCII_H
#define PR_ASCII_H
/* These macros "wrap" many of the ctype(3) checks (which may themselves
* be macros), doing an isascii(3) check FIRST, before calling the actual
* ctype(3) check desired.
*/
#define PR_ISALNUM(c) (isascii((int) (c)) && isalnum((int) (c)))
#define PR_ISALPHA(c) (isascii((int) (c)) && isalpha((int) (c)))
#define PR_ISCNTRL(c) (isascii((int) (c)) && iscntrl((int) (c)))
#define PR_ISDIGIT(c) (isascii((int) (c)) && isdigit((int) (c)))
#define PR_ISPRINT(c) (isascii((int) (c)) && isprint((int) (c)))
#define PR_ISSPACE(c) (isascii((int) (c)) && isspace((int) (c)))
#define PR_ISXDIGIT(c) (isascii((int) (c)) && isxdigit((int) (c)))
#endif /* PR_ASCII_H */
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