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ft_memmove.c
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ft_memmove.c
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/* ************************************************************************** */
/* */
/* ::: :::::::: */
/* ft_memmove.c :+: :+: :+: */
/* +:+ +:+ +:+ */
/* By: youngmki <[email protected]> +#+ +:+ +#+ */
/* +#+#+#+#+#+ +#+ */
/* Created: 2021/05/22 22:52:14 by youngmki #+# #+# */
/* Updated: 2021/05/23 00:55:10 by youngmki ### ########.fr */
/* */
/* ************************************************************************** */
#include "libft.h"
void *ft_memmove(void *dst, const void *src, size_t len)
{
unsigned char *n_dst;
unsigned char *n_src;
n_dst = dst;
n_src = (unsigned char *)src;
if (!dst && !src)
return (0);
if (n_dst <= n_src)
{
n_dst = dst;
n_src = (unsigned char*)src;
while (len--)
*n_dst++ = *n_src++;
}
else
{
n_dst = dst + len;
n_src = (unsigned char*)src;
n_src += len;
while (len--)
*(--n_dst) = *(--n_src);
}
return (dst);
}