/usr/include/mailutils/cidr.h is in libmailutils-dev 1:2.99.98-1.1.
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 | /* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011-2012 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/>. */
#ifndef _MAILUTILS_CIDR_H
#define _MAILUTILS_CIDR_H
#include <sys/types.h>
#include <sys/socket.h>
#include <mailutils/types.h>
#ifdef __cplusplus
extern "C" {
#endif
#define MU_INADDR_BYTES 16
struct mu_cidr
{
int family;
int len;
unsigned char address[MU_INADDR_BYTES];
unsigned char netmask[MU_INADDR_BYTES];
};
#define MU_CIDR_MAXBUFSIZE 81
int mu_cidr_from_sockaddr (struct mu_cidr *cp, const struct sockaddr *sa);
int mu_cidr_from_string (struct mu_cidr *cp, const char *str);
#define MU_CIDR_FMT_ADDRONLY 0x01
#define MU_CIDR_FMT_SIMPLIFY 0x02
int mu_cidr_to_string (struct mu_cidr *cidr, int flags, char *buf, size_t size,
size_t *pret);
int mu_cidr_format (struct mu_cidr *, int flags, char **pbuf);
int mu_cidr_to_sockaddr (struct mu_cidr *, struct sockaddr **sa);
int mu_cidr_match (struct mu_cidr *a, struct mu_cidr *b);
int _mu_inaddr_to_bytes (int af, void *buf, unsigned char *bytes);
#ifdef __cplusplus
}
#endif
#endif /* _MAILUTILS_CIDR_H */
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