/usr/include/mailutils/cstr.h is in libmailutils-dev 1:3.4-1.
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 | /* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2009-2012, 2014-2017 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/>. */
#ifndef _MAILUTILS_CSTR_H
#define _MAILUTILS_CSTR_H
#ifdef __cplusplus
extern "C" {
#endif
# include <mailutils/types.h>
int mu_strlower (char *);
int mu_strupper (char *);
int mu_c_strcasecmp (const char *a, const char *b);
int mu_c_strncasecmp (const char *a, const char *b, size_t n);
char *mu_c_strcasestr (const char *haystack, const char *needle);
size_t mu_rtrim_class (char *str, int __class);
size_t mu_rtrim_cset (char *str, const char *cset);
size_t mu_ltrim_class (char *str, int __class);
size_t mu_ltrim_cset (char *str, const char *cset);
char *mu_str_skip_class (const char *str, int __class);
char *mu_str_skip_cset (const char *str, const char *cset);
char *mu_str_skip_class_comp (const char *str, int __class);
char *mu_str_skip_cset_comp (const char *str, const char *cset);
char *mu_str_stripws (char *string);
int mu_string_split (const char *string, char *delim, mu_list_t list);
size_t mu_str_count (char const *str, char const *chr, size_t *cnt);
int mu_c_str_escape (char const *str, char const *chr, char const *xtab,
char **ret_str);
int mu_c_str_escape_trans (char const *str, char const *trans, char **ret_str);
int mu_c_str_unescape_inplace (char *str, char const *chr, char const *xtab);
int mu_c_str_unescape (char const *str, char const *chr, char const *xtab,
char **ret_str);
int mu_c_str_unescape_trans (char const *str, char const *trans,
char **ret_str);
int mu_str_expand (char **output, char const *input, mu_assoc_t assoc);
int mu_str_vexpand (char **output, char const *input, ...);
#ifdef __cplusplus
}
#endif
#endif
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