ngx_http_proxy_port_variable  101 http/modules/ngx_http_proxy_module.c static ngx_int_t ngx_http_proxy_port_variable(ngx_http_request_t *r,
ngx_http_proxy_port_variable  530 http/modules/ngx_http_proxy_module.c     { ngx_string("proxy_port"), NULL, ngx_http_proxy_port_variable, 0,