1 /* ========================================================================
2 * Copyright 1988-2006 University of Washington
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
11 * ========================================================================
15 * Program: SVR4-style Time Zone String
17 * Author: Mark Crispin
18 * Networks and Distributed Computing
19 * Computing & Communications
20 * University of Washington
21 * Administration Building, AG-44
23 * Internet: MRC@CAC.Washington.EDU
25 * Date: 30 August 1994
26 * Last Edited: 30 August 2006
30 /* Append local timezone name
31 * Accepts: destination string
34 void rfc822_timezone (char *s
,void *t
)
36 tzset (); /* get timezone from TZ environment stuff */
37 sprintf (s
+ strlen (s
)," (%.50s)",
38 tzname
[daylight
? (((struct tm
*) t
)->tm_isdst
> 0) : 0]);