diff options
| author | Tobias Klauser <tklauser@distanz.ch> | 2008-01-27 11:37:44 +0100 |
|---|---|---|
| committer | Tobias Klauser <tklauser@xenon.tklauser.home> | 2008-01-27 11:37:44 +0100 |
| commit | 7e0f021a9aec35fd8e6725e87e3313b101d26f5e (patch) | |
| tree | b1cacc4b24393f517aeb4610e9e1021f954307a8 /reference/C/FUNCTIONS/strtok.html | |
Initial import (2.0.2-6)2.0.2-6
Diffstat (limited to 'reference/C/FUNCTIONS/strtok.html')
| -rw-r--r-- | reference/C/FUNCTIONS/strtok.html | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/reference/C/FUNCTIONS/strtok.html b/reference/C/FUNCTIONS/strtok.html new file mode 100644 index 0000000..4d15b2f --- /dev/null +++ b/reference/C/FUNCTIONS/strtok.html @@ -0,0 +1,100 @@ +<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> |