ngx_http_variable_document_root   53 http/ngx_http_variables.c static ngx_int_t ngx_http_variable_document_root(ngx_http_request_t *r,
ngx_http_variable_document_root  174 http/ngx_http_variables.c       ngx_http_variable_document_root, 0, NGX_HTTP_VAR_NOCACHEABLE, 0 },