ngx_http_upstream_send_request_handler   33 http/ngx_http_upstream.c static void ngx_http_upstream_send_request_handler(ngx_http_request_t *r,
ngx_http_upstream_send_request_handler 1122 http/ngx_http_upstream.c     u->write_event_handler = ngx_http_upstream_send_request_handler;