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authorTobias Klauser <tklauser@distanz.ch>2008-01-27 11:37:44 +0100
committerTobias Klauser <tklauser@xenon.tklauser.home>2008-01-27 11:37:44 +0100
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+<title>strncpy function</title>
+
+<head>
+<script language="JavaScript">
+</script>
+</head>
+
+<body bgcolor=#ffffcc>
+<hr>
+<center>
+<h1>strtok function</h1>
+</center>
+<hr>
+<p>
+All the books that I have read, say that strtok will break a string
+into tokens. This is true, but a more obvious
+explanation is, that it will break a string into <b>words</b>.
+<p>
+<hr>
+<pre>
+
+Library: string.h
+
+Prototype: char * strtok(char *s, const char *delim);
+
+Syntax: char string []="abc def ghi";
+ char * word;
+
+ word=strtok(string, " ");
+ word=strtok(NULL, " ");
+
+</pre>
+
+<b>strtok</b> requires a string and the word delimiters, for example:
+
+<pre>
+
+ word = strtok(string, " ");
+ A A
+ | |
+ | ------- Delimiters.
+ |
+ -------------- String to break up.
+
+</pre>
+After the first call to strtok, word will point to <b>abc</b> on the second
+call, word will point to <b>def</b>
+<p>
+<hr>
+<h2>Notes:</h2>
+<ul>
+<li>strtok will alter the I/P string by placing
+<a href="../SYNTAX/null.html">NULLS</a> at the delimiter
+positions. A good habit is to <a href="../FUNCTIONS/strcpy.html">copy</a>
+the string to a tempary string
+and use the copy in the strtok call.
+<p>
+<li>More than one delimiter can be specified. So you could code:
+<pre>
+
+ word = strtok(string, " <a href="../FUNCTIONS/escape.html">\t</a>;:,");
+
+</pre>
+<li>You do not have to include \0 or <a href=../SYNTAX/null.html>NULL</a>
+</ul>
+<hr>
+<h2>Examples:</h2>
+<img src=../../GRAPHICS/computer.gif>
+<a href="../EXAMPLES/strtok.c"> Example program.</a>
+<hr>
+<h2>See also:</h2>
+<dt><a href="strcpy.html">strcpy</a>
+<dt><a href="strncpy.html">strncpy</a>
+
+
+<p>
+
+<hr>
+<p>
+<center>
+<table border=2 width="80%" bgcolor="ivory">
+<tr align=center>
+<td width="25%">
+<a href="../cref.html"> Top</a>
+</td><td width="25%">
+<a href="../master_index.html"> Master Index</a>
+</td><td width="25%">
+<a href="../SYNTAX/keywords.html"> Keywords</a>
+</td><td width="25%">
+<a href="funcref.htm"> Functions</a>
+</td>
+</tr>
+</table>
+</center>
+<p>
+<hr>
+<address>Martin Leslie
+</address><p>
+</body>
+</html>