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<div class="headertitle"><div class="title">icalrecur.h File Reference</div></div>
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<p>Routines for dealing with recurring time.
<a href="#details">More...</a></p>
<p><a href="icalrecur_8h_source.html">Go to the source code of this file.</a></p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="nested-classes" name="nested-classes"></a>
Data Structures</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structicalrecurrencetype.html">icalrecurrencetype</a></td></tr>
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Macros</h2></td></tr>
<tr class="memitem:a88c777bba1c5287ec7a262a8cf140209"><td class="memItemLeft" align="right" valign="top"><a id="a88c777bba1c5287ec7a262a8cf140209" name="a88c777bba1c5287ec7a262a8cf140209"></a>
#define </td><td class="memItemRight" valign="bottom"><b>ICAL_BY_DAY_SIZE</b>   7*(ICAL_BY_WEEKNO_SIZE-1)+1 /* 1 to N */</td></tr>
<tr class="separator:a88c777bba1c5287ec7a262a8cf140209"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:af7660eef516049982e6ea1aa56d7a14f"><td class="memItemLeft" align="right" valign="top"><a id="af7660eef516049982e6ea1aa56d7a14f" name="af7660eef516049982e6ea1aa56d7a14f"></a>
#define </td><td class="memItemRight" valign="bottom"><b>ICAL_BY_HOUR_SIZE</b>   25 /* 0 to 23 */</td></tr>
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<tr class="memitem:a1328acf3383993b85d9819702a94dd8a"><td class="memItemLeft" align="right" valign="top"><a id="a1328acf3383993b85d9819702a94dd8a" name="a1328acf3383993b85d9819702a94dd8a"></a>
#define </td><td class="memItemRight" valign="bottom"><b>ICAL_BY_MINUTE_SIZE</b>   61 /* 0 to 59 */</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>ICAL_BY_MONTH_SIZE</b>   14 /* 1 to 13 */</td></tr>
<tr class="separator:a3ba206a293eca6a045c9e24b75516528"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a7d6e5cf6656a21e1fede23a4af633f31"><td class="memItemLeft" align="right" valign="top"><a id="a7d6e5cf6656a21e1fede23a4af633f31" name="a7d6e5cf6656a21e1fede23a4af633f31"></a>
#define </td><td class="memItemRight" valign="bottom"><b>ICAL_BY_MONTHDAY_SIZE</b>   32 /* 1 to 31 */</td></tr>
<tr class="separator:a7d6e5cf6656a21e1fede23a4af633f31"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:acec51b2d651f24e31b00627b60b12728"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#acec51b2d651f24e31b00627b60b12728">ICAL_BY_SECOND_SIZE</a>   62 /* 0 to 60 */</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>ICAL_BY_SETPOS_SIZE</b>   ICAL_BY_YEARDAY_SIZE /* 1 to N */</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>ICAL_BY_WEEKNO_SIZE</b>   56 /* 1 to 55 */</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>ICAL_BY_YEARDAY_SIZE</b>   386 /* 1 to 385 */</td></tr>
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<tr class="memitem:af8f79ef6c5bb7d36d0862fea359c17fd"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#af8f79ef6c5bb7d36d0862fea359c17fd">ICALRECURRENCETYPE_INITIALIZER</a></td></tr>
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Typedefs</h2></td></tr>
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typedef enum ical_invalid_rrule_handling </td><td class="memItemRight" valign="bottom"><b>ical_invalid_rrule_handling</b></td></tr>
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typedef struct <a class="el" href="structicalrecur__iterator__impl.html">icalrecur_iterator_impl</a> </td><td class="memItemRight" valign="bottom"><b>icalrecur_iterator</b></td></tr>
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typedef enum icalrecurrencetype_frequency </td><td class="memItemRight" valign="bottom"><b>icalrecurrencetype_frequency</b></td></tr>
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typedef enum icalrecurrencetype_skip </td><td class="memItemRight" valign="bottom"><b>icalrecurrencetype_skip</b></td></tr>
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typedef enum icalrecurrencetype_weekday </td><td class="memItemRight" valign="bottom"><b>icalrecurrencetype_weekday</b></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="enum-members" name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:a85aad1aeea58a53b5a0399a2fca38890"><td class="memItemLeft" align="right" valign="top"><a id="a85aad1aeea58a53b5a0399a2fca38890" name="a85aad1aeea58a53b5a0399a2fca38890"></a>enum  </td><td class="memItemRight" valign="bottom"><b>ical_invalid_rrule_handling</b> { <b>ICAL_RRULE_TREAT_AS_ERROR</b> = 0
, <b>ICAL_RRULE_IGNORE_INVALID</b> = 1
}</td></tr>
<tr class="separator:a85aad1aeea58a53b5a0399a2fca38890"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a593dc289d9bb0313584701e0675cf303"><td class="memItemLeft" align="right" valign="top"><a id="a593dc289d9bb0313584701e0675cf303" name="a593dc289d9bb0313584701e0675cf303"></a>enum  </td><td class="memItemRight" valign="bottom"><b>icalrecurrence_array_max_values</b> { <b>ICAL_RECURRENCE_ARRAY_MAX</b> = 0x7f7f
, <b>ICAL_RECURRENCE_ARRAY_MAX_BYTE</b> = 0x7f
}</td></tr>
<tr class="separator:a593dc289d9bb0313584701e0675cf303"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a203e6ca308804a67ff343837e7c11a61"><td class="memItemLeft" align="right" valign="top"><a id="a203e6ca308804a67ff343837e7c11a61" name="a203e6ca308804a67ff343837e7c11a61"></a>enum  </td><td class="memItemRight" valign="bottom"><b>icalrecurrencetype_frequency</b> { <br />
  <b>ICAL_SECONDLY_RECURRENCE</b> = 0
, <b>ICAL_MINUTELY_RECURRENCE</b> = 1
, <b>ICAL_HOURLY_RECURRENCE</b> = 2
, <b>ICAL_DAILY_RECURRENCE</b> = 3
, <br />
  <b>ICAL_WEEKLY_RECURRENCE</b> = 4
, <b>ICAL_MONTHLY_RECURRENCE</b> = 5
, <b>ICAL_YEARLY_RECURRENCE</b> = 6
, <b>ICAL_NO_RECURRENCE</b> = 7
<br />
}</td></tr>
<tr class="separator:a203e6ca308804a67ff343837e7c11a61"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a46e0128948e7c4c5c1e120061211ddea"><td class="memItemLeft" align="right" valign="top"><a id="a46e0128948e7c4c5c1e120061211ddea" name="a46e0128948e7c4c5c1e120061211ddea"></a>enum  </td><td class="memItemRight" valign="bottom"><b>icalrecurrencetype_skip</b> { <b>ICAL_SKIP_BACKWARD</b> = 0
, <b>ICAL_SKIP_FORWARD</b>
, <b>ICAL_SKIP_OMIT</b>
, <b>ICAL_SKIP_UNDEFINED</b>
}</td></tr>
<tr class="separator:a46e0128948e7c4c5c1e120061211ddea"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a0d3df238238f2689b2cc48b162a9507b"><td class="memItemLeft" align="right" valign="top"><a id="a0d3df238238f2689b2cc48b162a9507b" name="a0d3df238238f2689b2cc48b162a9507b"></a>enum  </td><td class="memItemRight" valign="bottom"><b>icalrecurrencetype_weekday</b> { <br />
  <b>ICAL_NO_WEEKDAY</b>
, <b>ICAL_SUNDAY_WEEKDAY</b>
, <b>ICAL_MONDAY_WEEKDAY</b>
, <b>ICAL_TUESDAY_WEEKDAY</b>
, <br />
  <b>ICAL_WEDNESDAY_WEEKDAY</b>
, <b>ICAL_THURSDAY_WEEKDAY</b>
, <b>ICAL_FRIDAY_WEEKDAY</b>
, <b>ICAL_SATURDAY_WEEKDAY</b>
<br />
}</td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="func-members" name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a9eb6bec2840d2b84efb14d50731b6aaa"><td class="memItemLeft" align="right" valign="top"><a id="a9eb6bec2840d2b84efb14d50731b6aaa" name="a9eb6bec2840d2b84efb14d50731b6aaa"></a>
ical_invalid_rrule_handling </td><td class="memItemRight" valign="bottom"><b>ical_get_invalid_rrule_handling_setting</b> (void)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>ical_set_invalid_rrule_handling_setting</b> (ical_invalid_rrule_handling newSetting)</td></tr>
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<tr class="memitem:a805af3920689b3b77d6db54317784409"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#a805af3920689b3b77d6db54317784409">icalrecur_expand_recurrence</a> (const char *rule, icaltime_t start, int count, icaltime_t *array)</td></tr>
<tr class="memdesc:a805af3920689b3b77d6db54317784409"><td class="mdescLeft"> </td><td class="mdescRight">Fills an array with the 'count' number of occurrences generated by the rrule. <a href="icalrecur_8h.html#a805af3920689b3b77d6db54317784409">More...</a><br /></td></tr>
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const char * </td><td class="memItemRight" valign="bottom"><b>icalrecur_freq_to_string</b> (icalrecurrencetype_frequency kind)</td></tr>
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<tr class="memitem:a14daf9df313fdad9f536a7d9242b4cdc"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#a14daf9df313fdad9f536a7d9242b4cdc">icalrecur_iterator_free</a> (<a class="el" href="structicalrecur__iterator__impl.html">icalrecur_iterator</a> *)</td></tr>
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<tr class="memitem:a34c26e8377e120586398b06d37a1f63e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structicalrecur__iterator__impl.html">icalrecur_iterator</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#a34c26e8377e120586398b06d37a1f63e">icalrecur_iterator_new</a> (struct <a class="el" href="structicalrecurrencetype.html">icalrecurrencetype</a> rule, struct <a class="el" href="structicaltimetype.html">icaltimetype</a> dtstart)</td></tr>
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<tr class="memitem:a2e10af320612cd7ab8c6fb6177ade3e3"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structicaltimetype.html">icaltimetype</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#a2e10af320612cd7ab8c6fb6177ade3e3">icalrecur_iterator_next</a> (<a class="el" href="structicalrecur__iterator__impl.html">icalrecur_iterator</a> *)</td></tr>
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<tr class="memitem:aa15f2414c34796d414acce20ab7a2bf0"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structicaltimetype.html">icaltimetype</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#aa15f2414c34796d414acce20ab7a2bf0">icalrecur_iterator_prev</a> (<a class="el" href="structicalrecur__iterator__impl.html">icalrecur_iterator</a> *)</td></tr>
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<tr class="memitem:abf97ae59c917f9a2856257418dcb1016"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#abf97ae59c917f9a2856257418dcb1016">icalrecur_iterator_set_end</a> (<a class="el" href="structicalrecur__iterator__impl.html">icalrecur_iterator</a> *impl, struct <a class="el" href="structicaltimetype.html">icaltimetype</a> end)</td></tr>
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<tr class="memitem:af830056b191d4e037813ff27c60932cf"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#af830056b191d4e037813ff27c60932cf">icalrecur_iterator_set_range</a> (<a class="el" href="structicalrecur__iterator__impl.html">icalrecur_iterator</a> *impl, struct <a class="el" href="structicaltimetype.html">icaltimetype</a> from, struct <a class="el" href="structicaltimetype.html">icaltimetype</a> to)</td></tr>
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<tr class="memitem:ab632c95c37375ef11d62d8742e8406d5"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#ab632c95c37375ef11d62d8742e8406d5">icalrecur_iterator_set_start</a> (<a class="el" href="structicalrecur__iterator__impl.html">icalrecur_iterator</a> *impl, struct <a class="el" href="structicaltimetype.html">icaltimetype</a> start)</td></tr>
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const char * </td><td class="memItemRight" valign="bottom"><b>icalrecur_skip_to_string</b> (icalrecurrencetype_skip kind)</td></tr>
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icalrecurrencetype_frequency </td><td class="memItemRight" valign="bottom"><b>icalrecur_string_to_freq</b> (const char *str)</td></tr>
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icalrecurrencetype_skip </td><td class="memItemRight" valign="bottom"><b>icalrecur_string_to_skip</b> (const char *str)</td></tr>
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icalrecurrencetype_weekday </td><td class="memItemRight" valign="bottom"><b>icalrecur_string_to_weekday</b> (const char *str)</td></tr>
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const char * </td><td class="memItemRight" valign="bottom"><b>icalrecur_weekday_to_string</b> (icalrecurrencetype_weekday kind)</td></tr>
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char * </td><td class="memItemRight" valign="bottom"><b>icalrecurrencetype_as_string</b> (struct <a class="el" href="structicalrecurrencetype.html">icalrecurrencetype</a> *recur)</td></tr>
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char * </td><td class="memItemRight" valign="bottom"><b>icalrecurrencetype_as_string_r</b> (struct <a class="el" href="structicalrecurrencetype.html">icalrecurrencetype</a> *recur)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>icalrecurrencetype_clear</b> (struct <a class="el" href="structicalrecurrencetype.html">icalrecurrencetype</a> *r)</td></tr>
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<tr class="memitem:a96c160e7e6b16e0e369c540f2ee164c7"><td class="memItemLeft" align="right" valign="top">enum icalrecurrencetype_weekday </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#a96c160e7e6b16e0e369c540f2ee164c7">icalrecurrencetype_day_day_of_week</a> (short day)</td></tr>
<tr class="memdesc:a96c160e7e6b16e0e369c540f2ee164c7"><td class="mdescLeft"> </td><td class="mdescRight">Decodes a day to a weekday. <a href="icalrecur_8h.html#a96c160e7e6b16e0e369c540f2ee164c7">More...</a><br /></td></tr>
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<tr class="memitem:aa730e9ac327064456902076b718400f4"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#aa730e9ac327064456902076b718400f4">icalrecurrencetype_day_position</a> (short day)</td></tr>
<tr class="memdesc:aa730e9ac327064456902076b718400f4"><td class="mdescLeft"> </td><td class="mdescRight">Decodes a day to a position of the weekday. <a href="icalrecur_8h.html#aa730e9ac327064456902076b718400f4">More...</a><br /></td></tr>
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<tr class="memitem:a1de1894ce541ebf3d5a3cbaf6c5978e1"><td class="memItemLeft" align="right" valign="top">short </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#a1de1894ce541ebf3d5a3cbaf6c5978e1">icalrecurrencetype_encode_day</a> (enum icalrecurrencetype_weekday weekday, int position)</td></tr>
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<tr class="memitem:aa9d7b1ae411cd1eeb7464ee481e1609b"><td class="memItemLeft" align="right" valign="top">short </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#aa9d7b1ae411cd1eeb7464ee481e1609b">icalrecurrencetype_encode_month</a> (int month, int is_leap)</td></tr>
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<tr class="memitem:a0e8ebcf355ba22299f553f8f5e657926"><td class="memItemLeft" align="right" valign="top">struct <a class="el" href="structicalrecurrencetype.html">icalrecurrencetype</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#a0e8ebcf355ba22299f553f8f5e657926">icalrecurrencetype_from_string</a> (const char *str)</td></tr>
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<tr class="memitem:a37565d0a4c56c67bd08b556d58f59b5c"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="icalrecur_8h.html#a37565d0a4c56c67bd08b556d58f59b5c">icalrecurrencetype_month_is_leap</a> (short month)</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>icalrecurrencetype_month_month</b> (short month)</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>icalrecurrencetype_rscale_is_supported</b> (void)</td></tr>
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<a class="el" href="icalarray_8h.html#ad36143942d5ac4709b68fff41615e598">icalarray</a> * </td><td class="memItemRight" valign="bottom"><b>icalrecurrencetype_rscale_supported_calendars</b> (void)</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p >Routines for dealing with recurring time. </p>
<p >How to use:</p>
<p >1) Get a rule and a start time from a component</p>
<div class="fragment"><div class="line">icalproperty rrule;</div>
<div class="line"><span class="keyword">struct </span><a class="code hl_struct" href="structicalrecurrencetype.html">icalrecurrencetype</a> recur;</div>
<div class="line"><span class="keyword">struct </span><a class="code hl_struct" href="structicaltimetype.html">icaltimetype</a> dtstart;</div>
<div class="line"> </div>
<div class="line">rrule = icalcomponent_get_first_property(comp,ICAL_RRULE_PROPERTY);</div>
<div class="line">recur = icalproperty_get_rrule(rrule);</div>
<div class="line">start = icalproperty_get_dtstart(dtstart);</div>
<div class="ttc" id="astructicalrecurrencetype_html"><div class="ttname"><a href="structicalrecurrencetype.html">icalrecurrencetype</a></div><div class="ttdef"><b>Definition:</b> icalrecur.h:144</div></div>
<div class="ttc" id="astructicaltimetype_html"><div class="ttname"><a href="structicaltimetype.html">icaltimetype</a></div><div class="ttdef"><b>Definition:</b> icaltime.h:97</div></div>
</div><!-- fragment --><p >Or, just make them up:</p>
<div class="fragment"><div class="line">recur = <a class="code hl_function" href="icalrecur_8h.html#a0e8ebcf355ba22299f553f8f5e657926">icalrecurrencetype_from_string</a>(<span class="stringliteral">"FREQ=YEARLY;BYDAY=SU,WE"</span>);</div>
<div class="line">dtstart = <a class="code hl_function" href="icaltime_8h.html#a1b66b9f52a9823b95e4cd33f9dd9b8e5">icaltime_from_string</a>(<span class="stringliteral">"19970101T123000"</span>)</div>
<div class="ttc" id="aicalrecur_8h_html_a0e8ebcf355ba22299f553f8f5e657926"><div class="ttname"><a href="icalrecur_8h.html#a0e8ebcf355ba22299f553f8f5e657926">icalrecurrencetype_from_string</a></div><div class="ttdeci">struct icalrecurrencetype icalrecurrencetype_from_string(const char *str)</div><div class="ttdef"><b>Definition:</b> icalrecur.c:634</div></div>
<div class="ttc" id="aicaltime_8h_html_a1b66b9f52a9823b95e4cd33f9dd9b8e5"><div class="ttname"><a href="icaltime_8h.html#a1b66b9f52a9823b95e4cd33f9dd9b8e5">icaltime_from_string</a></div><div class="ttdeci">struct icaltimetype icaltime_from_string(const char *str)</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> icaltime.c:330</div></div>
</div><!-- fragment --><p >2) Create an iterator</p>
<div class="fragment"><div class="line"><a class="code hl_struct" href="structicalrecur__iterator__impl.html">icalrecur_iterator</a> *ritr;</div>
<div class="line">ritr = <a class="code hl_function" href="icalrecur_8h.html#a34c26e8377e120586398b06d37a1f63e">icalrecur_iterator_new</a>(recur,start);</div>
<div class="ttc" id="aicalrecur_8h_html_a34c26e8377e120586398b06d37a1f63e"><div class="ttname"><a href="icalrecur_8h.html#a34c26e8377e120586398b06d37a1f63e">icalrecur_iterator_new</a></div><div class="ttdeci">icalrecur_iterator * icalrecur_iterator_new(struct icalrecurrencetype rule, struct icaltimetype dtstart)</div><div class="ttdef"><b>Definition:</b> icalrecur.c:1931</div></div>
<div class="ttc" id="astructicalrecur__iterator__impl_html"><div class="ttname"><a href="structicalrecur__iterator__impl.html">icalrecur_iterator_impl</a></div><div class="ttdef"><b>Definition:</b> icalrecur.c:933</div></div>
</div><!-- fragment --><p >3) Iterator over the occurrences</p>
<div class="fragment"><div class="line"><span class="keyword">struct </span><a class="code hl_struct" href="structicaltimetype.html">icaltimetype</a> next;</div>
<div class="line"><span class="keywordflow">while</span> (next = <a class="code hl_function" href="icalrecur_8h.html#a2e10af320612cd7ab8c6fb6177ade3e3">icalrecur_iterator_next</a>(ritr)</div>
<div class="line"> && !<a class="code hl_function" href="icaltime_8h.html#a97483d9daf2fc8f8b1bbdc0c75ced095">icaltime_is_null_time</a>(next){</div>
<div class="line"> Do something with next</div>
<div class="line">}</div>
<div class="ttc" id="aicalrecur_8h_html_a2e10af320612cd7ab8c6fb6177ade3e3"><div class="ttname"><a href="icalrecur_8h.html#a2e10af320612cd7ab8c6fb6177ade3e3">icalrecur_iterator_next</a></div><div class="ttdeci">struct icaltimetype icalrecur_iterator_next(icalrecur_iterator *)</div><div class="ttdef"><b>Definition:</b> icalrecur.c:3150</div></div>
<div class="ttc" id="aicaltime_8h_html_a97483d9daf2fc8f8b1bbdc0c75ced095"><div class="ttname"><a href="icaltime_8h.html#a97483d9daf2fc8f8b1bbdc0c75ced095">icaltime_is_null_time</a></div><div class="ttdeci">int icaltime_is_null_time(const struct icaltimetype t)</div><div class="ttdoc">Returns true if the time is null.</div><div class="ttdef"><b>Definition:</b> icaltime.c:593</div></div>
</div><!-- fragment --><p >Note that the time returned by icalrecur_iterator_next is in whatever timezone that dtstart is in. </p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="acec51b2d651f24e31b00627b60b12728" name="acec51b2d651f24e31b00627b60b12728"></a>
<h2 class="memtitle"><span class="permalink"><a href="#acec51b2d651f24e31b00627b60b12728">◆ </a></span>ICAL_BY_SECOND_SIZE</h2>
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<td class="memname">#define ICAL_BY_SECOND_SIZE   62 /* 0 to 60 */</td>
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<p >Recurrence type routines </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af8f79ef6c5bb7d36d0862fea359c17fd">◆ </a></span>ICALRECURRENCETYPE_INITIALIZER</h2>
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<td class="memname">#define ICALRECURRENCETYPE_INITIALIZER</td>
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<b>Value:</b><div class="fragment"><div class="line"> { \</div>
<div class="line"> ICAL_NO_RECURRENCE, <span class="comment">/* freq */</span> \</div>
<div class="line"> ICALTIMETYPE_INITIALIZER, <span class="comment">/* until */</span> \</div>
<div class="line"> 0, <span class="comment">/* count */</span> \</div>
<div class="line"> 1, <span class="comment">/* interval */</span> \</div>
<div class="line"> ICAL_MONDAY_WEEKDAY, <span class="comment">/* week_start */</span> \</div>
<div class="line"> { ICAL_RECURRENCE_ARRAY_MAX_BYTE }, <span class="comment">/* by_second */</span> \</div>
<div class="line"> { ICAL_RECURRENCE_ARRAY_MAX_BYTE }, <span class="comment">/* by_minute */</span> \</div>
<div class="line"> { ICAL_RECURRENCE_ARRAY_MAX_BYTE }, <span class="comment">/* by_hour */</span> \</div>
<div class="line"> { ICAL_RECURRENCE_ARRAY_MAX_BYTE }, <span class="comment">/* by_day */</span> \</div>
<div class="line"> { ICAL_RECURRENCE_ARRAY_MAX_BYTE }, <span class="comment">/* by_month_day */</span> \</div>
<div class="line"> { ICAL_RECURRENCE_ARRAY_MAX_BYTE }, <span class="comment">/* by_year_day */</span> \</div>
<div class="line"> { ICAL_RECURRENCE_ARRAY_MAX_BYTE }, <span class="comment">/* by_week_no */</span> \</div>
<div class="line"> { ICAL_RECURRENCE_ARRAY_MAX_BYTE }, <span class="comment">/* by_month */</span> \</div>
<div class="line"> { ICAL_RECURRENCE_ARRAY_MAX_BYTE }, <span class="comment">/* by_set_pos */</span> \</div>
<div class="line"> NULL, <span class="comment">/* rscale */</span> \</div>
<div class="line"> ICAL_SKIP_OMIT <span class="comment">/* skip */</span> \</div>
<div class="line">}</div>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a805af3920689b3b77d6db54317784409">◆ </a></span>icalrecur_expand_recurrence()</h2>
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<td class="memname">int icalrecur_expand_recurrence </td>
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<td class="paramtype">const char * </td>
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<p>Fills an array with the 'count' number of occurrences generated by the rrule. </p>
<p >Specifically, this fills <code>array</code> up with at most 'count' icaltime_t values, each representing an occurrence time in seconds past the POSIX epoch.</p>
<p >Note that the times are returned in UTC, but the times are calculated in local time. You will have to convert the results back into local time before using them. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a14daf9df313fdad9f536a7d9242b4cdc">◆ </a></span>icalrecur_iterator_free()</h2>
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<td class="memname">void icalrecur_iterator_free </td>
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<p >Frees the iterator. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a34c26e8377e120586398b06d37a1f63e">◆ </a></span>icalrecur_iterator_new()</h2>
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<td class="memname"><a class="el" href="structicalrecur__iterator__impl.html">icalrecur_iterator</a> * icalrecur_iterator_new </td>
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<p >Creates a new recurrence rule iterator, starting at DTSTART. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a2e10af320612cd7ab8c6fb6177ade3e3">◆ </a></span>icalrecur_iterator_next()</h2>
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<td class="memname">struct <a class="el" href="structicaltimetype.html">icaltimetype</a> icalrecur_iterator_next </td>
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<p >Gets the next occurrence from an iterator. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa15f2414c34796d414acce20ab7a2bf0">◆ </a></span>icalrecur_iterator_prev()</h2>
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<td class="memname">struct <a class="el" href="structicaltimetype.html">icaltimetype</a> icalrecur_iterator_prev </td>
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<p >Gets the previous occurrence from an iterator. </p><dl class="section since"><dt>Since</dt><dd>3.1 </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#abf97ae59c917f9a2856257418dcb1016">◆ </a></span>icalrecur_iterator_set_end()</h2>
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<td class="memname">int icalrecur_iterator_set_end </td>
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<p >Set the date-time at which the iterator will stop at the latest. Values equal to or greater than end will not be returned by the iterator. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#af830056b191d4e037813ff27c60932cf">◆ </a></span>icalrecur_iterator_set_range()</h2>
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<p >Sets the date-times over which the iterator will run, where <code>from</code> is a value between DTSTART and UNTIL.</p>
<p >If <code>to</code> is null time, the forward iterator will return values up to and including UNTIL (if present), otherwise up to the year 2582.</p>
<p >if <code>to</code> is non-null time and later than <code>from</code>, the forward iterator will return values up to and including 'to'.</p>
<p >If <code>to</code> is non-null time and earlier than <code>from</code>, the reverse iterator will be set to start at <code>from</code> and will return values down to and including <code>to</code>.</p>
<p >NOTE: CAN NOT be used with RRULEs that contain COUNT. </p><dl class="section since"><dt>Since</dt><dd>3.1 </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ab632c95c37375ef11d62d8742e8406d5">◆ </a></span>icalrecur_iterator_set_start()</h2>
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<p >Sets the date-time at which the iterator will start, where <code>start</code> is a value between DTSTART and UNTIL.</p>
<p >NOTE: CAN NOT be used with RRULEs that contain COUNT. </p><dl class="section since"><dt>Since</dt><dd>3.0 </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a96c160e7e6b16e0e369c540f2ee164c7">◆ </a></span>icalrecurrencetype_day_day_of_week()</h2>
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<td class="memname">enum icalrecurrencetype_weekday icalrecurrencetype_day_day_of_week </td>
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<p>Decodes a day to a weekday. </p>
<dl class="section return"><dt>Returns</dt><dd>The decoded day of the week. 1 is Monday, 2 is Tuesday, etc. A position of 0 means 'any' or 'every'.</dd></dl>
<p>The 'day' element of icalrecurrencetype_weekday is encoded to allow representation of both the day of the week ( Monday, Tuesday), but also the Nth day of the week ( First tuesday of the month, last thursday of the year) These routines decode the day values.</p>
<p >The day's position in the period ( Nth-ness) and the numerical value of the day are encoded together as: pos*7 + dow.</p>
<p >A position of 0 means 'any' or 'every'. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#aa730e9ac327064456902076b718400f4">◆ </a></span>icalrecurrencetype_day_position()</h2>
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<p>Decodes a day to a position of the weekday. </p>
<dl class="section return"><dt>Returns</dt><dd>The position of the day in the week. 0 == any of day of week. 1 == first, 2 = second, -2 == second to last, etc. 0 means 'any' or 'every'. </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a1de1894ce541ebf3d5a3cbaf6c5978e1">◆ </a></span>icalrecurrencetype_encode_day()</h2>
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<td class="memname">short icalrecurrencetype_encode_day </td>
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<p >Encodes the <code>weekday</code> and <code>position</code> into a form, which can be stored to <a class="el" href="structicalrecurrencetype.html#abf0eb04e3bb9028e18c9c4c1e0462b9d" title="Encoded value.">icalrecurrencetype::by_day</a> array. Use <a class="el" href="icalrecur_8h.html#a96c160e7e6b16e0e369c540f2ee164c7" title="Decodes a day to a weekday.">icalrecurrencetype_day_day_of_week()</a> and <a class="el" href="icalrecur_8h.html#aa730e9ac327064456902076b718400f4" title="Decodes a day to a position of the weekday.">icalrecurrencetype_day_position()</a> to split the encoded value back into the parts. </p><dl class="section since"><dt>Since</dt><dd>3.1 </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#aa9d7b1ae411cd1eeb7464ee481e1609b">◆ </a></span>icalrecurrencetype_encode_month()</h2>
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<td class="memname">short icalrecurrencetype_encode_month </td>
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<p >Encodes the <code>month</code> and the <code>is_leap</code> into a form, which can be stored to <a class="el" href="structicalrecurrencetype.html#af3f6d789f51c7772879b6c8e3101af9e" title="Encoded value.">icalrecurrencetype::by_month</a> array. Use <a class="el" href="icalrecur_8h.html#a37565d0a4c56c67bd08b556d58f59b5c">icalrecurrencetype_month_is_leap()</a> and icalrecurrencetype_month_month() to split the encoded value back into the parts </p><dl class="section since"><dt>Since</dt><dd>3.1 </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a0e8ebcf355ba22299f553f8f5e657926">◆ </a></span>icalrecurrencetype_from_string()</h2>
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<p >Convert between strings and recurrencetype structures. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#a37565d0a4c56c67bd08b556d58f59b5c">◆ </a></span>icalrecurrencetype_month_is_leap()</h2>
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<p >The <code>month</code> element of the by_month array is encoded to allow representation of the "L" leap suffix (RFC 7529). These routines decode the month values.</p>
<p >The "L" suffix is encoded by setting a high-order bit. </p>
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