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46 lines
1.2 KiB
HTML
46 lines
1.2 KiB
HTML
<h1>字符串函数 - strtok</h1>
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<p>原型:extern char *strtok(char *s, char *delim);</p>
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<p>用法:#include <string.h></p>
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<p>功能:分解字符串为一组标记串。s为要分解的字符串,delim为分隔符字符串。</p>
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<p>说明:首次调用时,s必须指向要分解的字符串,随后调用要把s设成NULL。</p>
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<pre><code class="language-c">
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strtok在s中查找包含在delim中的字符并用NULL('\0')来替换,直到找遍整个字符串。
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返回指向下一个标记串。当没有标记串时则返回空字符NULL。
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</code></pre>
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举例:<pre><code class="language-c">
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// strtok.c
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#include <syslib.h>
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#include <string.h>
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#include <stdio.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=" ";
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char *p;
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clrscr();
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p=strtok(s,d);
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while(p)
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{
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printf("%s\n",s);
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strtok(NULL,d);
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}
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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="strcspn.html">strcspn</a>,<a href="strpbrk.html">strpbrk</a>
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