nan_hi 22 core/ngx_resolver.c u_char nan_hi; nan_hi 985 core/ngx_resolver.c nan = (query->nan_hi << 8) + query->nan_lo; nan_hi 1757 core/ngx_resolver.c query->nan_hi = 0; query->nan_lo = 0; nan_hi 1833 core/ngx_resolver.c query->nan_hi = 0; query->nan_lo = 0;