pub unsafe extern "C" fn ffi_prep_raw_closure_loc( arg1: *mut ffi_raw_closure, cif: *mut ffi_cif, fun: Option<unsafe extern "C" fn(arg1: *mut ffi_cif, arg2: *mut c_void, arg3: *mut ffi_raw, arg4: *mut c_void)>, user_data: *mut c_void, codeloc: *mut c_void) -> ffi_status