> char x = 0x80; > if (isalpha(x)) ... -Wchar-subscripts is my (and possibly your) friend in cases like this. /~\ The ASCII Mouse \ / Ribbon Campaign X Against HTML mouse%rodents-montreal.org@localhost / \ Email! 7D C8 61 52 5D E7 2D 39 4E F1 31 3E E8 B3 27 4B