#include <stddef.h>
#include <stdint.h>

void *ft_memcpy64(void *dst, const void *src, size_t n) {
    size_t i;
    uint64_t *lp_dst;
    const uint64_t *lp_src;
    unsigned char *bp_dst;
    const unsigned char *bp_src;

    lp_dst = (uint64_t *)dst;
    lp_src = (const uint64_t *)src;

    for (i = 0; i < n / 8; i++) {
        lp_dst[i] = lp_src[i];
    }

    bp_dst = (unsigned char *)(lp_dst + i);
    bp_src = (const unsigned char *)(lp_src + i);
    for (i = 0; i < n % 8; i++) {
        bp_dst[i] = bp_src[i];
    }

    return dst;
}