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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><HTML><HEAD> <TITLE>pblIsamFile_t* pblIsamOpen</TITLE> <META NAME="GENERATOR" CONTENT="DOC++ 3.4.9"></HEAD> <center><H2>Program Base Library Functions</H2></center><H2><!1><A HREF="pblIsamFile_t.html">pblIsamFile_t</A>* <A HREF="#DOC.DOCU">pblIsamOpen</A></H2><H2>( char* path,<BR> int update,<BR> void* filesettag,<BR> int nkeys,<BR> char** keyfilenames,<BR> int* keydup )</H2><BLOCKQUOTE> open an ISAM file, creates the file if necessary</BLOCKQUOTE><A NAME="DOC.DOCU"></A><HR><H2>Documentation</H2><BLOCKQUOTE>open an ISAM file, creates the file if necessary<P>if update is 0, the ISAM file is opened for read access only,if update is not 0 the ISAM file is opened for reading and writing<P>a file set tag can be attached to the ISAM file,if a file having a non NULL file set tag is flushedto disk all files having the same file set tag attachedare flushed as well.<P></BLOCKQUOTE><DL><DT><DT><B>Parameters:</B><DD><B>path</B> - path of file to create <BR><B>update</B> - flag: should file be opened for update? <BR><B>filesettag</B> - filesettag, for flushing multiple files consistently <BR><B>nkeys</B> - number of key files to create <BR><B>keyfilenames</B> - list of names of key index files to create <BR><B>keydup</B> - flaglist: is the i'th index key a duplicate key? <BR><DT><B>Returns:</B><DD> pblIsamFile_t * retptr == NULL: an error occured, see pbl_errno<BR> pblIsamFile_t * retptr != NULL: a pointer to an ISAM file descriptor<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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