s = getenv("E");
if (s != NULL) {
sprintf(temp, "%c%c.%c%c.%c%c.%c%c.%c%c.%c%c",
- *s++, *s++, *s++, *s++, *s++, *s++,
- *s++, *s++, *s++, *s++, *s++, *s);
+ s[0], s[1], s[ 2], s[ 3],
+ s[4], s[5], s[ 6], s[ 7],
+ s[8], s[9], s[10], s[11] );
setenv("ethaddr", temp);
setenv("E", NULL);
}