usr/src/contrib/nvi.1.14/ex/tag.h

/*-
 * Copyright (c) 1992, 1993, 1994
 *      The Regents of the University of California.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. Neither the name of the University nor the names of its contributors
 *    may be used to endorse or promote products derived from this software
 *    without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 *      @(#)tag.h       8.12 (Berkeley) 4/17/94
 */

struct _tagf {                          /* Tag file. */
        TAILQ_ENTRY(_tagf) q;           /* Linked list of tag files. */
        char    *name;                  /* Tag file name. */

#define TAGF_DNE        0x01            /* Didn't exist. */
#define TAGF_DNE_WARN   0x02            /* DNE error reported. */
        u_char   flags;
};

struct _tag {                           /* Tag stack. */
        TAILQ_ENTRY(_tag) q;            /* Linked list of tags. */
        FREF    *frp;                   /* Saved file name. */
        recno_t  lno;                   /* Saved line number. */
        size_t   cno;                   /* Saved column number. */
        char    *search;                /* Search string. */
        size_t   slen;                  /* Search string length. */
};

int     ex_tagalloc __P((SCR *, char *));
int     ex_tagcopy __P((SCR *, SCR *));
int     ex_tagdisplay __P((SCR *, EXF *));
int     ex_tagfirst __P((SCR *, char *));
int     ex_tagfree __P((SCR *));