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| 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/CONCEPT/cast.html | |
Initial import (2.0.2-6)2.0.2-6
Diffstat (limited to 'reference/C/CONCEPT/cast.html')
| -rw-r--r-- | reference/C/CONCEPT/cast.html | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/reference/C/CONCEPT/cast.html b/reference/C/CONCEPT/cast.html new file mode 100644 index 0000000..6535052 --- /dev/null +++ b/reference/C/CONCEPT/cast.html @@ -0,0 +1,75 @@ +<head> +<title>cast</title> +</head> +<body bgcolor="#ffffcc"> +<hr> +<center> +<h1>To cast, casting</h1> +</center> +<hr> + +If you want to change the +<a href="../CONCEPT/data_types.html">datatype</a> of a variable +you have to use a technic called <b>cast</b>. For example if want to +change an <a href="../CONCEPT/data_types.html#int">int</a> to a +<a href="../CONCEPT/data_types.html#float">float</a> +you could use the following syntax: +<p> +<center> +<table border=1 width="80%" bgcolor="ivory"> +<tr> +<td> +<pre> + + main() + { + int var1; + float var2; + + var2 = (float)var1; + } +</pre> +</td> +</tr> +</table> +</center> +<p> +As it happens this example would never be used in practice because C +would perform the conversion automatically. + +What this example does show is the cast operator<b> () </b>. This states, +the result of the expression (in this case <b>var1</b>) is to be a +data type of <a href="../CONCEPT/data_types.html#float">float</a>. +<p> +<hr> +<h2>See Also:</h2> + +<a href=../../CPLUSPLUS/CONCEPT/cast.html> C++ changes to cast.</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="../FUNCTIONS/funcref.htm">Functions</a> +</td> +</tr> +</table> +</center> +<p> + +<hr> +<address>Martin Leslie +<script language="JavaScript"> +<!-- // +document.write(document.lastModified); +// --> +</script> +</address> |