memcpy[copy memory regions]

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memcpy
[copy memory regions]

    SYNOPSIS
    #include <string.h>
    void *memcpy(void *out, const void *in, size_t n);

DESCRIPTION
The function, memcpy, copies n bytes from the memory region pointed to by in to the memory region pointed to by out.

If the regions overlap, the behavior is undefined.

RETURNS
memcpy returns a pointer to the first byte of the out region.

COMPLIANCE
memcpy is ANSI C.

memcpy requires no supporting OS subroutines.