ngx_send          841 core/ngx_resolver.c     n = ngx_send(uc->connection, rn->query, rn->qlen);
ngx_send          170 event/ngx_event_accept.c         c->send = ngx_send;
ngx_send           78 event/ngx_event_connect.c     c->send = ngx_send;
ngx_send          253 mail/ngx_mail_auth_http_module.c     n = ngx_send(c, ctx->request->pos, size);