pub static mut ngx_http_top_body_filter: Option<unsafe extern "C" fn(_: *mut ngx_http_request_s, _: *mut ngx_chain_s) -> isize>pub static mut ngx_http_top_body_filter: Option<unsafe extern "C" fn(_: *mut ngx_http_request_s, _: *mut ngx_chain_s) -> isize>