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find.h

/***********************************************************************
*                                                                      *
*               This software is part of the ast package               *
*                  Copyright (c) 1985-2005 AT&T Corp.                  *
*                      and is licensed under the                       *
*                  Common Public License, Version 1.0                  *
*                            by AT&T Corp.                             *
*                                                                      *
*                A copy of the License is available at                 *
*            http://www.opensource.org/licenses/cpl1.0.txt             *
*         (with md5 checksum 059e8cd6165cb4c31e351f2b69388fd9)         *
*                                                                      *
*              Information and Software Systems Research               *
*                            AT&T Research                             *
*                           Florham Park NJ                            *
*                                                                      *
*                 Glenn Fowler <gsf@research.att.com>                  *
*                  David Korn <dgk@research.att.com>                   *
*                   Phong Vo <kpv@research.att.com>                    *
*                                                                      *
***********************************************************************/
#pragma prototyped
/*
 * Glenn Fowler
 * AT&T Research
 *
 * fast find interface definitions
 */

#ifndef _FIND_H
#define _FIND_H

#define FIND_VERSION    19980301L

#ifndef FIND_CODES
#define FIND_CODES      "lib/find/codes"
#endif

#define FIND_CODES_ENV  "FINDCODES"

#define FIND_GENERATE   (1<<0)            /* generate new codes         */
#define FIND_ICASE      (1<<1)            /* ignore case in match       */
#define FIND_GNU  (1<<2)            /* generate gnu format codes  */
#define FIND_OLD  (1<<3)            /* generate old format codes  */
#define FIND_TYPE (1<<4)            /* generate type with codes   */
#define FIND_VERIFY     (1<<5)            /* verify the dir hierarchy   */

#define FIND_USER (1L<<16)    /* first user flag bit        */

struct Find_s;
struct Finddisc_s;

typedef int (*Findverify_f)(struct Find_s*, const char*, size_t, struct Finddisc_s*);

typedef struct Finddisc_s
{
      unsigned long     version;    /* interface version          */
      unsigned long     flags;            /* FIND_* flags               */
      Error_f           errorf;           /* error function       */
      Findverify_f      verifyf;    /* dir verify function        */
      char**            dirs;       /* dir prefixes to search     */
} Finddisc_t;

typedef struct Find_s
{
      const char* id;         /* library id string          */
      unsigned long     stamp;            /* codes time stamp           */

#ifdef _FIND_PRIVATE_
      _FIND_PRIVATE_
#endif

} Find_t;

#if _BLD_ast && defined(__EXPORT__)
#define extern          __EXPORT__
#endif

extern Find_t*          findopen(const char*, const char*, const char*, Finddisc_t*);
extern char*            findread(Find_t*);
extern int        findwrite(Find_t*, const char*, size_t, const char*);
extern int        findclose(Find_t*);

#undef      extern

#endif

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