p_ere(struct parse *p, int stop) /* character this ERE should end at */
{
char c;
- sopno prevback;
- sopno prevfwd;
+ sopno prevback = 0;
+ sopno prevfwd = 0;
sopno conc;
int first = 1; /* is this the first alternative? */
const char *u;
char c;
- while (MORE() && isalpha(PEEK()))
+ while (MORE() && isalpha((uch)PEEK()))
NEXT();
len = p->next - sp;
for (cp = cclasses; cp->name != NULL; cp++)