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Full Discussion: ^$$ meaning
Top Forums Shell Programming and Scripting ^$$ meaning Post 302482377 by DGPickett on Tuesday 21st of December 2010 10:53:37 AM
Old 12-21-2010
Not for this, but familiarity breeds contempt and surprises. With '...' there are few surprises! We should teach best practices as we help with problems.
 

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MEMCPY(3)						   BSD Library Functions Manual 						 MEMCPY(3)

NAME
memcpy -- copy byte string LIBRARY
Standard C Library (libc, -lc) SYNOPSIS
#include <string.h> void * memcpy(void *dst, const void *src, size_t len); DESCRIPTION
The memcpy() function copies len bytes from string src to string dst. RETURN VALUES
The memcpy() function returns the original value of dst. SEE ALSO
bcopy(3), memccpy(3), memmove(3), strcpy(3), wmemcpy(3) STANDARDS
The memcpy() function conforms to ISO/IEC 9899:1990 (``ISO C90''). BUGS
In this implementation memcpy() is implemented using bcopy(3), and therefore the strings may overlap. On other systems, copying overlapping strings may produce surprises. Programs intended to be portable should use memmove(3) when src and dst may overlap. BSD
June 4, 1993 BSD
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