Hi all,,, i was too frustrate too ask this problem, actually this is percentage output of received data, yes integer division ALWAYS have (bytes / size) equal to 0, until bytes >= size, sorry all... :),.. my fool... THANKS SO MUCH!!! -- To unsubscribe from this list: send the line "unsubscribe linux-c-programming" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html