HENT_COPY
HENT_COPY(hp->h_addr_list[i], &host_addrs[i], hp->h_length,
HENT_COPY(hent->h_addr_list[0], &host_addr, hent->h_length, buf,
HENT_COPY(dst, src, _len, ptr, len); \
HENT_COPY(addr_ptrs[num], hp->h_addr_list[0], hp->h_length, ptr,
HENT_COPY(hp->h_addr_list[i], addr_ptrs[i], hp->h_length, ptr,