ngx_resolve_name  141 core/ngx_resolver.h ngx_int_t ngx_resolve_name(ngx_resolver_ctx_t *ctx);
ngx_resolve_name  610 http/ngx_http_upstream.c         if (ngx_resolve_name(ctx) != NGX_OK) {
ngx_resolve_name  174 mail/ngx_mail_smtp_handler.c     if (ngx_resolve_name(ctx) != NGX_OK) {