Function SDL_memmove

deps/SDL2/src/stdlib/SDL_string.c:367–389

}

void *
SDL_memmove(SDL_OUT_BYTECAP(len) void *dst, SDL_IN_BYTECAP(len) const void *src, size_t len)
{
#if defined(HAVE_MEMMOVE)
    return memmove(dst, src, len);
#else
    char *srcp = (char *) src;
    char *dstp = (char *) dst;

    if (src < dst) {
        srcp += len - 1;
        dstp += len - 1;
        while (len--) {
            *dstp-- = *srcp--;
        }
    } else {
        while (len--) {
            *dstp++ = *srcp++;
        }
    }
    return dst;
#endif /* HAVE_MEMMOVE */
}

int
SDL_memcmp(const void *s1, const void *s2, size_t len)