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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"><HTML><HEAD> <META NAME="GENERATOR" CONTENT="LinuxDoc-Tools 0.9.20"> <TITLE>Diskette Sector I/O Routines: Opening the disk for low level I/O</TITLE> <LINK HREF="dio-2.html" REL=next> <LINK HREF="dio.html#toc1" REL=contents></HEAD><BODY><A HREF="dio-2.html">Next</A>Previous<A HREF="dio.html#toc1">Contents</A><HR><H2><A NAME="s1">1.</A> <A HREF="dio.html#toc1">Opening the disk for low level I/O</A></H2><P>Prior to using these functions a handle to the drive has to be obtained. Thisis done with the <CODE>dio_open</CODE> function. After use, the handle should bereleased with the <CODE>dio_close</CODE> function.</P><P><BLOCKQUOTE><CODE><PRE> dhandle_t __fastcall__ dio_open (driveid_t drive_id);</PRE></CODE></BLOCKQUOTE></P><P>The <CODE>drive_id</CODE> specifies the drive to access, with 0 being the firstdisk drive, 1 the second, and so on.</P><P><BLOCKQUOTE><CODE><PRE> unsigned char __fastcall__ dio_close (dhandle_t handle);</PRE></CODE></BLOCKQUOTE></P><P>Closes a handle obtained by <CODE>dio_open</CODE>. Returns status code.</P><HR><A HREF="dio-2.html">Next</A>Previous<A HREF="dio.html#toc1">Contents</A></BODY></HTML>⌨️ 快捷键说明
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