4.4BSD/usr/src/contrib/mh-6.8/support/pop/mmdfII/pop/strindex.c

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/* strindex.c - "unsigned" lexical index */


int  stringdex (p1, p2)
register char  *p1,
               *p2;
{
    register char  *p;

    for (p = p2; *p; p++)
	if (uprf (p, p1))
	    return (p - p2);

    return (-1);
}