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RedHat 9 (Linux i386) - man page for memcpy (redhat section 3)

MEMCPY(3)						     Linux Programmer's Manual							 MEMCPY(3)

NAME
memcpy - copy memory area
SYNOPSIS
#include <string.h> void *memcpy(void *dest, const void *src, size_t n);
DESCRIPTION
The memcpy() function copies n bytes from memory area src to memory area dest. The memory areas may not overlap. Use memmove(3) if the memory areas do overlap.
RETURN VALUE
The memcpy() function returns a pointer to dest.
CONFORMING TO
SVID 3, BSD 4.3, ISO 9899
SEE ALSO
bcopy(3), memccpy(3), memmove(3), strcpy(3), strncpy(3)
GNU
1993-04-10 MEMCPY(3)