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| author | Tobias Klauser <tklauser@distanz.ch> | 2008-01-27 11:37:44 +0100 |
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| committer | Tobias Klauser <tklauser@xenon.tklauser.home> | 2008-01-27 11:37:44 +0100 |
| commit | 7e0f021a9aec35fd8e6725e87e3313b101d26f5e (patch) | |
| tree | b1cacc4b24393f517aeb4610e9e1021f954307a8 /reference/C/FUNCTIONS/free.html | |
Initial import (2.0.2-6)2.0.2-6
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| -rw-r--r-- | reference/C/FUNCTIONS/free.html | 80 |
1 files changed, 80 insertions, 0 deletions
diff --git a/reference/C/FUNCTIONS/free.html b/reference/C/FUNCTIONS/free.html new file mode 100644 index 0000000..439c3c9 --- /dev/null +++ b/reference/C/FUNCTIONS/free.html @@ -0,0 +1,80 @@ +<title>free function</title> +<head> +<script language="JavaScript"> +</script> +</head> +<body bgcolor=#ffffcc> +<hr> +<center> +<h1>free function </h1> +</center> +<hr> +<p> +<b>free</b> is used to return allocated memory to the system. +<p> +<hr> +<pre> + Library: <a href="funcref.htm#stdlib">sdlib.h</a> + + Prototype: <a href="../SYNTAX/void.html">void</a> free(void *s); + + Syntax: char *StrPtr; + StrPtr = (char *) malloc(100); + free(StrPtr); + +</pre> +<hr> +<h2>Notes:</h2> +<ul> +<li>If you use <a href="malloc.html">malloc</a> inside a loop and dont <b>free</b> +the memory, you run the risk of the program crashing. +<p> +<li>If a program ends without issuing a <b>free</b>, any allocated memory +is returned to the system. +</uL> +<p> +<hr> +<h2>Examples:</h2> + +<img src=../../GRAPHICS/computer.gif><a href="../EXAMPLES/malloc.c"> example</a> +program. + +<hr> +<h2>See Also:</h2> + +<img src=../../GRAPHICS/whiteball.gif> +<a href="malloc.html">malloc</a> function.<p> + +<img src=../../GRAPHICS/whiteball.gif> +<a href="../../CPLUSPLUS/SYNTAX/new.html">new</a> C++ replacement for malloc.<p> + +<img src=../../GRAPHICS/whiteball.gif> +<a href="../../CPLUSPLUS/SYNTAX/delete.html">delete</a> C++ replacement for free.<p> + + +<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> + |