ngx_http_proxy_internal_body_length_variable  107 http/modules/ngx_http_proxy_module.c     ngx_http_proxy_internal_body_length_variable(ngx_http_request_t *r,
ngx_http_proxy_internal_body_length_variable  541 http/modules/ngx_http_proxy_module.c       ngx_http_proxy_internal_body_length_variable, 0, NGX_HTTP_VAR_NOHASH, 0 },