2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1991, 1993
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8 * modification, are permitted provided that the following conditions
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11 * notice, this list of conditions and the following disclaimer.
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31 * @(#)extern.h 8.1 (Berkeley) 6/6/93
37 #define NCHARS_SB (UCHAR_MAX + 1) /* Number of single-byte characters. */
38 #define OOBCH -1 /* Out of band character value. */
41 enum { STRING1, STRING2 } which;
42 enum { EOS, INFINITE, NORMAL, RANGE, SEQUENCE,
43 CCLASS, CCLASS_UPPER, CCLASS_LOWER, SET } state;
44 int cnt; /* character count */
45 wint_t lastch; /* last character */
46 wctype_t cclass; /* character class from wctype() */
47 wint_t equiv[NCHARS_SB]; /* equivalence set */
48 wint_t *set; /* set of characters */
49 char *str; /* user's string */
53 int charcoll(const void *, const void *);