2.9BSD/usr/contrib/mh/subs/uleq.c

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uleq(c1, c2)
register char *c1, *c2;
{
	register int c;

	while(c = *c1++)
		if((c|040) != (*c2|040))
			return(0);
		else
			c2++;
	return(*c2 == 0);
}