72 lines
1.8 KiB
HTML
72 lines
1.8 KiB
HTML
<!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN">
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<html>
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<head>
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<meta http-equiv="Content-Type"
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content="text-html; charset=Windows-1252">
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<title>INT 21,11 - Search for First Entry Using FCB</title>
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<meta name="FORMATTER" content="Microsoft FrontPage 2.0">
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</head>
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<body>
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<h1><a name="kap_interrupt_1630"></a>INT 21,11 - Search for First
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Entry Using FCB</h1>
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<p> AH = 11h</p>
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<p> DS:DX = pointer to unopened ~FCB~</p>
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<p> on return:</p>
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<p> AL = 00 if matching file found</p>
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<p> = FF if file not found</p>
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<p> - searches for first occurrence of filename specified in FCB</p>
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<p> - FCB must have drive id, filename, and extension before call</p>
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<p> - extended FCB can be used to specify a search criteria based</p>
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<p> on attributes; hidden, system, label, and directory
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attributes</p>
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<p> can be used to narrow the search (see ~FILE ATTRIBUTES~)</p>
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<p> - after successful call DTA holds an unopened ~FCB~/~XFCB~
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for</p>
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<p> the requested file. Using any of the other FCB functions</p>
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<p> destroys this ~DTA~ copy of the FCB/XFCB</p>
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<p> - searching can be continued with the FCB find-next function</p>
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<p> - "?" wildcard supported after DOS 2.1,
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"*" supported in DOS 3.x</p>
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<p> - DOS 2.x can't find . and .. entries, DOS 3.x can (unless in
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root)</p>
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<p> - see ~INT 21,12~</p>
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<hr>
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<table border="0" width="100%" cols="3">
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<tr>
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<td width="33%">Zurück zum <a href="inte1at0.htm">Interrupt
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Info</a>. </td>
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<td align="center" width="33%"><a
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href="mailto:Roger.Morgan@htl-steyr.ac.at">Roger Morgan</a>
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/ 1998 </td>
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<td align="right" width="33%"><font size="1">L.Änderung <!--webbot
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bot="Timestamp" s-type="EDITED" s-format="%d.%m.%y"
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startspan -->29.03.99<!--webbot bot="Timestamp" endspan
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i-checksum="13964" --> </font></td>
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</tr>
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</table>
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</body>
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</html>
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