nns_lo             25 core/ngx_resolver.c     u_char  nns_lo;
nns_lo            990 core/ngx_resolver.c                    (query->nns_hi << 8) + query->nns_lo,
nns_lo           1758 core/ngx_resolver.c     query->nns_hi = 0; query->nns_lo = 0;
nns_lo           1834 core/ngx_resolver.c     query->nns_hi = 0; query->nns_lo = 0;