/usr/include/mailutils/cctype.h is in libmailutils-dev 1:2.99.98-2.
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 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 | /* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2009-2012 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
/* Ctype functions for ASCII character set */
#ifndef _MAILUTILS_MUCTYPE_H
#define _MAILUTILS_MUCTYPE_H
#ifdef __cplusplus
extern "C" {
#endif
#define MU_CTYPE_ALPHA 0x001
#define MU_CTYPE_DIGIT 0x002
#define MU_CTYPE_BLANK 0x004
#define MU_CTYPE_CNTRL 0x008
#define MU_CTYPE_GRAPH 0x010
#define MU_CTYPE_LOWER 0x020
#define MU_CTYPE_UPPER 0x040
#define MU_CTYPE_PRINT 0x080
#define MU_CTYPE_PUNCT 0x100
#define MU_CTYPE_SPACE 0x200
#define MU_CTYPE_XLETR 0x400
#define MU_CTYPE_ENDLN 0x800
#define MU_C_TAB_MAX 128
extern int mu_c_tab[MU_C_TAB_MAX];
#define mu_c_is_class(c, class) \
(((unsigned)(c)) < 128 && mu_c_tab[(unsigned)(c)] & (class))
#define mu_isalpha(c) mu_c_is_class (c, MU_CTYPE_ALPHA)
#define mu_iscntrl(c) mu_c_is_class (c, MU_CTYPE_CNTRL)
#define mu_isdigit(c) mu_c_is_class (c, MU_CTYPE_DIGIT)
#define mu_isgraph(c) mu_c_is_class (c, MU_CTYPE_GRAPH)
#define mu_islower(c) mu_c_is_class (c, MU_CTYPE_LOWER)
#define mu_isprint(c) mu_c_is_class (c, MU_CTYPE_PRINT)
#define mu_ispunct(c) mu_c_is_class (c, MU_CTYPE_PUNCT)
#define mu_isspace(c) mu_c_is_class (c, MU_CTYPE_SPACE)
#define mu_isupper(c) mu_c_is_class (c, MU_CTYPE_UPPER)
#define mu_isxdigit(c) mu_c_is_class (c, MU_CTYPE_DIGIT|MU_CTYPE_XLETR)
#define mu_isalnum(c) mu_c_is_class (c, MU_CTYPE_ALPHA|MU_CTYPE_DIGIT)
#define mu_isascii(c) (((unsigned)c) < MU_C_TAB_MAX)
#define mu_isblank(c) mu_c_is_class (c, MU_CTYPE_BLANK)
#define mu_isendln(c) mu_c_is_class (c, MU_CTYPE_ENDLN)
#define mu_tolower(c) \
({ int __c = (c); \
(__c >= 'A' && __c <= 'Z' ? __c - 'A' + 'a' : __c); \
})
#define mu_toupper(c) \
({ int __c = (c); \
(__c >= 'a' && __c <= 'z' ? __c - 'a' + 'A' : __c); \
})
#ifdef __cplusplus
}
#endif
#endif
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