/usr/include/mailutils/datetime.h is in libmailutils-dev 1:2.99.99-1ubuntu2.
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 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | /* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2011-2012, 2014-2015 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_DATETIME_H
#define _MAILUTILS_DATETIME_H
#ifdef __cplusplus
extern "C" {
#endif
#include <time.h>
#include <mailutils/types.h>
/* ----------------------- */
/* Date & time functions */
/* ----------------------- */
/* Argument ranges:
year != 0, AD if > 0, BC if < 0
1 <= month <= 12
1 <= day <= maxday(month)
*/
/* Compute Julian Day for the given date */
int mu_datetime_julianday (int year, int month, int day);
/* Compute day of week (Sunday - 0) */
int mu_datetime_dayofweek (int year, int month, int day);
/* Compute ordinal date (1-based) */
int mu_datetime_dayofyear (int year, int month, int day);
/* Return number of days in the year */
int mu_datetime_year_days (int year);
/* Day of week and month names in C locale */
extern const char *_mu_datetime_short_month[];
extern const char *_mu_datetime_full_month[];
extern const char *_mu_datetime_short_wday[];
extern const char *_mu_datetime_full_wday[];
struct mu_timezone
{
int utc_offset; /* Seconds east of UTC. */
const char *tz_name;
/* Nickname for this timezone, if known. It is always considered
to be a pointer to static string, so will never be freed. */
};
int mu_parse_date (const char *p, time_t *rettime, const time_t *now);
int mu_utc_offset (void);
void mu_datetime_tz_local (struct mu_timezone *tz);
time_t mu_datetime_to_utc (struct tm *timeptr, struct mu_timezone *tz);
size_t mu_strftime (char *s, size_t max, const char *format, struct tm *tm);
int mu_c_streamftime (mu_stream_t str, const char *fmt, struct tm *tm,
struct mu_timezone *tz);
int mu_scan_datetime (const char *input, const char *fmt, struct tm *tm,
struct mu_timezone *tz, char **endp);
/* Common datetime formats: */
#define MU_DATETIME_FROM "%a %b %e %H:%M:%S %Y"
/* Length of an envelope date in C locale,
not counting the terminating nul character */
#define MU_DATETIME_FROM_LENGTH 24
#define MU_DATETIME_IMAP "%d-%b-%Y %H:%M:%S %z"
#define MU_DATETIME_INTERNALDATE "%e-%b-%Y%$ %H:%M:%S %z"
/* RFC2822 date. Scan format contains considerable allowances which would
stun formatting functions, therefore two distinct formats are provided:
one for outputting and one for scanning: */
#define MU_DATETIME_FORM_RFC822 "%a, %e %b %Y %H:%M:%S %z"
#define MU_DATETIME_SCAN_RFC822 "%[%a, %]%e %b %Y %H:%M%[:%S%] %z"
#ifdef __cplusplus
}
#endif
#endif
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