Use ngtcp2_ntohl where it should
# define ngtcp2_bswap64 bswap_64
#else /* !HAVE_BSWAP_64 */
# define ngtcp2_bswap64(N) \
- ((uint64_t)(ntohl((uint32_t)(N))) << 32 | ntohl((uint32_t)((N) >> 32)))
+ ((uint64_t)(ngtcp2_ntohl((uint32_t)(N))) << 32 | \
+ ngtcp2_ntohl((uint32_t)((N) >> 32)))
#endif /* !HAVE_BSWAP_64 */
#if defined(HAVE_BE64TOH) || \
