ngx_http_proxy_process_status_line   93 http/modules/ngx_http_proxy_module.c static ngx_int_t ngx_http_proxy_process_status_line(ngx_http_request_t *r);
ngx_http_proxy_process_status_line  597 http/modules/ngx_http_proxy_module.c     u->process_header = ngx_http_proxy_process_status_line;
ngx_http_proxy_process_status_line 1161 http/modules/ngx_http_proxy_module.c     r->upstream->process_header = ngx_http_proxy_process_status_line;