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43 lines
1.0 KiB
HTML
43 lines
1.0 KiB
HTML
<h1>字符串函数 - bcopy</h1>
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<p>原型：extern void bcopy(const void *src, void *dest, int n);</p>
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<p>用法：#include <string.h></p>
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<p>功能：将字符串src的前n个字节复制到dest中</p>
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<p>说明：bcopy不检查字符串中的空字节NULL，函数没有返回值。</p>
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举例：<pre><code class="language-c">
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// bcopy.c
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#include <syslib.h>
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#include <string.h>
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main()
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{
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char *s="Golden Global View";
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char d[20];
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clrscr(); // clear screen
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bcopy(s,d,6);
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printf("s: %s\n",s);
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printf("d: %s\n",d);
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getchar();
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clrscr();
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s[13]=0;
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bcopy(s+7,d,11); // bcopy ignore null in string
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printf("%s\n",s+7);
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for(i=0;i<11;i++)
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putchar(d[i]);
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getchar();
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return 0;
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}
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</code></pre>相关函数：<a href="bcmp.html">bcmp</a>,<a href="bzero.html">bzero</a>
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