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<p>Keyword indexing.
<a href="structfitskeyid.html#details">More...</a></p>
<p><code>#include <<a class="el" href="fitshdr_8h_source.html">fitshdr.h</a>></code></p>
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Data Fields</h2></td></tr>
<tr class="memitem:a9c19a56e7a92c1728bebd92e5370b9c7"><td class="memItemLeft" align="right" valign="top">char </td><td class="memItemRight" valign="bottom"><a class="el" href="structfitskeyid.html#a9c19a56e7a92c1728bebd92e5370b9c7">name</a> [12]</td></tr>
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<tr class="memitem:ab20aa3220d9994d02a1791e35dc91a56"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structfitskeyid.html#ab20aa3220d9994d02a1791e35dc91a56">count</a></td></tr>
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<tr class="memitem:a8c8c5a6be67ef57333e80e71f320b62e"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="structfitskeyid.html#a8c8c5a6be67ef57333e80e71f320b62e">idx</a> [2]</td></tr>
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<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p><a class="el" href="fitshdr_8h.html#aebb4607327b6db35b468517328f67878" title="FITS header parser routine. ">fitshdr()</a> uses the <b>fitskeyid</b> struct to return indexing information for specified keywords. The struct contains three members, the first of which, <a class="el" href="structfitskeyid.html#a9c19a56e7a92c1728bebd92e5370b9c7">fitskeyid::name</a>, must be set by the user with the remainder returned by <a class="el" href="fitshdr_8h.html#aebb4607327b6db35b468517328f67878" title="FITS header parser routine. ">fitshdr()</a>. </p>
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<td class="memname">char fitskeyid::name</td>
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<p>(<em>Given</em>) Name of the required keyword. This is to be set by the user; the '.' character may be used for wildcarding. Trailing blanks will be replaced with nulls. </p>
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<td class="memname">int fitskeyid::count</td>
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<p>(<em>Returned</em>) The number of matches found for the keyword. </p>
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<td class="memname">int fitskeyid::idx</td>
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<p>(<em>Returned</em>) Indices into keys[], the array of <a class="el" href="structfitskey.html" title="Keyword/value information. ">fitskey</a> structs returned by <a class="el" href="fitshdr_8h.html#aebb4607327b6db35b468517328f67878" title="FITS header parser routine. ">fitshdr()</a>. Note that these are 0-relative array indices, not keyrecord numbers.</p>
<p>If the keyword is found in the header the first index will be set to the array index of its first occurrence, otherwise it will be set to -1.</p>
<p>If multiples of the keyword are found, the second index will be set to the array index of its last occurrence, otherwise it will be set to -1. </p>
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