diff --git a/include/dio.h b/include/dio.h index 694430657..5303c949a 100644 --- a/include/dio.h +++ b/include/dio.h @@ -35,6 +35,14 @@ +/* Please note: All functions in this file will set _oserror *and* return its + * value. The only exception is dio_open, which will return NULL, but _oserror + * will be set. All function will also set _oserror in case of successful + * execution, effectively clearing it. + */ + + + /*****************************************************************************/ /* Data */ /*****************************************************************************/