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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: Reading and writing sectors</TITLE> <LINK HREF="dio-3.html" REL=next> <LINK HREF="dio-1.html" REL=previous> <LINK HREF="dio.html#toc2" REL=contents></HEAD><BODY><A HREF="dio-3.html">Next</A><A HREF="dio-1.html">Previous</A><A HREF="dio.html#toc2">Contents</A><HR><H2><A NAME="s2">2.</A> <A HREF="dio.html#toc2">Reading and writing sectors</A></H2><P>The read and write functions are:</P><P><BLOCKQUOTE><CODE><PRE> unsigned char __fastcall__ dio_read (dhandle_t handle, sectnum_t sect_num, void *buffer);</PRE></CODE></BLOCKQUOTE></P><P>This function will read the sector specified by sect_num into the memorylocation at buffer.</P><P><BLOCKQUOTE><CODE><PRE> unsigned char __fastcall__ dio_write (dhandle_t handle, sectnum_t sect_num, const void *buffer);</PRE></CODE></BLOCKQUOTE></P><P>This function will write the memory contents at buffer to the sector specifiedby <CODE>sect_num</CODE>. No verify is performed.</P><P><BLOCKQUOTE><CODE><PRE> unsigned char __fastcall__ dio_write_verify (dhandle_t handle, sectnum_t sect_num, const void *buffer);</PRE></CODE></BLOCKQUOTE></P><P>This function will write the memory contents at buffer to the sector specifiedby <CODE>sect_num</CODE>. A verification is performed.</P><P>All these functions will return 0 for success and an OS specific error code incase of failure.</P><HR><A HREF="dio-3.html">Next</A><A HREF="dio-1.html">Previous</A><A HREF="dio.html#toc2">Contents</A></BODY></HTML>⌨️ 快捷键说明
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