1 .\" Copyright (C) 2001 Andries Brouwer <aeb@cwi.nl>
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25 .TH TIMEGM 3 2013-07-04 "GNU" "Linux Programmer's Manual"
27 timegm, timelocal \- inverses of gmtime and localtime
32 .BI "time_t timelocal(struct tm *" tm );
34 .BI "time_t timegm(struct tm *" tm );
38 Feature Test Macro Requirements for glibc (see
39 .BR feature_test_macros (7)):
44 _BSD_SOURCE || _SVID_SOURCE
55 These functions are nonstandard GNU extensions
56 that are also present on the BSDs.
57 Avoid their use; see NOTES.
61 function is equivalent to the POSIX standard function
63 There is no reason to ever use it.
65 For a portable version of
69 environment variable to UTC, call
71 and restore the value of
81 my_timegm(struct tm *tm)
108 This page is part of release 3.68 of the Linux
111 A description of the project,
112 information about reporting bugs,
113 and the latest version of this page,
115 \%http://www.kernel.org/doc/man\-pages/.