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/* $Id: apropos_db.h,v 1.3 2011/11/13 11:07:10 schwarze Exp $ */
/*
* Copyright (c) 2011 Kristaps Dzonsons <kristaps@bsd.lv>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef APROPOS_H
#define APROPOS_H
struct rec {
char *file; /* file in file-system */
char *cat; /* category (3p, 3, etc.) */
char *title; /* title (FOO, etc.) */
char *arch; /* arch (or empty string) */
char *desc; /* description (from Nd) */
unsigned int rec; /* record in index */
/*
* By the time the apropos_search() callback is called, these
* are superfluous.
* Maintain a binary tree for checking the uniqueness of `rec'
* when adding elements to the results array.
* Since the results array is dynamic, use offset in the array
* instead of a pointer to the structure.
*/
int lhs;
int rhs;
};
struct opts {
const char *arch; /* restrict to architecture */
const char *cat; /* restrict to manual section */
};
__BEGIN_DECLS
struct expr;
void apropos_search(const struct opts *,
const struct expr *, void *,
void (*)(struct rec *, size_t, void *));
struct expr *exprcomp(int, char *[]);
void exprfree(struct expr *);
__END_DECLS
#endif /*!APROPOS_H*/
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