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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD> <TITLE>long pblKfGetRel</TITLE> <META NAME="GENERATOR" CONTENT="DOC++ 3.4.9"></HEAD> <center><H2>Program Base Library Functions</H2></center><H2>long <A HREF="#DOC.DOCU">pblKfGetRel</A></H2><H2>( <!1><A HREF="pblKeyFile_t.html">pblKeyFile_t</A>* k, long relindex, char* okey,<BR> int* okeylen )</H2><BLOCKQUOTE> set current record to a record with a relative position index</BLOCKQUOTE><A NAME="DOC.DOCU"></A><HR><H2>Documentation</H2><BLOCKQUOTE>set current record to a record with a relative position index<P>this function is only to be used through the macro functions:<P><BR><B> <!1><A HREF="pblKfThis.html">pblKfThis</A>( k, okey, okeylen ) </B> read key of current record<BR><B> <!1><A HREF="pblKfNext.html">pblKfNext</A>( k, okey, okeylen ) </B> read key of next record<BR><B> <!1><A HREF="pblKfPrev.html">pblKfPrev</A>( k, okey, okeylen ) </B> read key of previous record<P></BLOCKQUOTE><DL><DT><DT><B>Parameters:</B><DD><B>k</B> - key file to position in <BR><B>relindex</B> - index relative to current record <BR><B>okey</B> - buffer for result key <BR><B>okeylen</B> - length of the result key after return <BR><DT><B>Returns:</B><DD> long rc >= 0:<UL><LI> call went ok,the value returned is the lengthof the data of the record found,<LI> the length of the key of the record is set inthe out parameter okeylen,<LI> the key of the record is copied to okey,<LI> the current record of the file is set to therecord found</UL><BR> long rc < 0:<UL><LI> some error occured, see pbl_errno</UL><BR><DD></DL><P><P><I><A HREF="index.html">Alphabetic index</A></I></P><HR><BR>This page was generated with the help of <A HREF="http://docpp.sourceforge.net">DOC++</A>.</BODY></HTML>⌨️ 快捷键说明
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