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序号：58810 发表者：lvjzh*** 发表日期：2003-11-04 12:16:21
<br>主题：memset函数
<br>内容：void *memset( void *dest, int c, size_t count );<BR><BR>如题此函数的用法及作用，请指教
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回复者：xiongli 回复日期：2003-11-04 12:20:53
<br>内容：从dest地址开始填写c,一直填写count个c<BR>以byte为单位<BR><BR><BR>memset<BR>Sets buffers to a specified character.<BR><BR>void *memset( void *dest, int c, size_t count );<BR><BR>Routine Required Header Compatibility <BR>memset &lt;memory.h&gt; or &lt;string.h&gt; ANSI, Win 95, Win NT <BR><BR><BR>For additional compatibility information, see Compatibility in the Introduction.<BR><BR>Libraries<BR><BR>LIBC.LIB Single thread static library, retail version <BR>LIBCMT.LIB Multithread static library, retail version <BR>MSVCRT.LIB Import library for MSVCRT.DLL, retail version <BR><BR><BR>Return Value<BR><BR>memset returns the value of dest.<BR><BR>Parameters<BR><BR>dest<BR><BR>Pointer to destination<BR><BR>c<BR><BR>Character to set<BR><BR>count<BR><BR>Number of characters<BR><BR>Remarks<BR><BR>The memset function sets the first count bytes of dest to the character c.<BR><BR>Example<BR><BR>/* MEMSET.C: This program uses memset to<BR> * set the first four bytes of buffer to &#34;*&#34;.<BR> */<BR><BR>#include &lt;memory.h&gt;<BR>#include &lt;stdio.h&gt;<BR><BR>void main( void )<BR>{<BR>&nbsp;&nbsp; char buffer[] = &#34;This is a test of the memset function&#34;;<BR><BR>&nbsp;&nbsp; printf( &#34;Before: %s\n&#34;, buffer );<BR>&nbsp;&nbsp; memset( buffer, '*', 4 );<BR>&nbsp;&nbsp; printf( &#34;After:&nbsp;&nbsp;%s\n&#34;, buffer );<BR>}<BR><BR><BR>Output<BR><BR>Before: This is a test of the memset function<BR>After:&nbsp;&nbsp;**** is a test of the memset function<BR><BR><BR>
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回复者：lvjzh*** 回复日期：2003-11-04 13:18:34
<br>内容：我看过MSDN了，可本人的english不是很好：)，所以请告诉我memset是干什么用的？简单点就行，谢谢!<BR>2003-11-4 15:49:19