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<title>memcpy function</title>
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<h1>memcpy function</h1>
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<p>
<b>memcpy</b> copies data between two memory locations. This function will copy the
supplied number of bytes
stored at the location pointed to by 's2' to the location pointed to by 's1'.
<p>
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s1 s2
| |
V V
- - - - ---------------
| | | | | | a | b | c | d |
- - - - ---------------
^ ^ | |
| | | |
-|------------- |
------------------
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<h2>Prototype</h2>
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<pre>
Library: string.h
Prototype: char memcpy(void *s1, void *s2, int num);
Syntax:
float data1;
char data2[64];
memcpy(data1, data2, sizeof(data2));
</pre>
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<h2>Notes</h2>
This is a handy function for moving data between data types
<h2>See also:</h2>
<img src="../../GRAPHICS/whiteball.gif">
<a href="strtok.html>strtok"</a>
<br>
<img src="../../GRAPHICS/whiteball.gif">
<a href="strncpy.html">strncpy</a>
<br>
<img src="../../GRAPHICS/whiteball.gif">
<a href="strcpy.html">strcpy</a>
<br>
<img src="../../GRAPHICS/whiteball.gif">
<a href="sprintf.html">sprintf</a>
<br>
<img src="../../GRAPHICS/man.gif">
<a href="../MAN/strcat.htm"><i>strcat</a>
<br>
<img src="../../GRAPHICS/whiteball.gif">
<a href="../CONCEPT/string.html">strings</a>
<br>
<img src="../../GRAPHICS/whiteball.gif">
<a href="../FUNCTIONS/memcpy.htm">memcpy</a> Copy data from one memory location to another.
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<address>Martin Leslie
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