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mime.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

/*
 * mime/mailcap interface
 */

#ifndef _MIMETYPE_H
#define _MIMETYPE_H     1

#include <sfio.h>
#include <ls.h>

#define MIME_VERSION    19970717L

#ifndef MIME_FILES
#define MIME_FILES      "~/.mailcap:/usr/local/etc/mailcap:/usr/etc/mailcap:/etc/mailcap:/etc/mail/mailcap:/usr/public/lib/mailcap"
#endif

#define MIME_FILES_ENV  "MAILCAP"

#define MIME_LIST (1<<0)            /* mimeload arg is : list     */
#define MIME_NOMAGIC    (1<<1)            /* no magic for mimetype()    */
#define MIME_PIPE (1<<2)            /* mimeview() io is piped     */
#define MIME_REPLACE    (1<<3)            /* replace existing definition      */

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

struct Mime_s;
typedef struct Mime_s Mime_t;

struct Mimedisc_s;
typedef struct Mimedisc_s Mimedisc_t;

typedef int (*Mimevalue_f)(Mime_t*, void*, char*, size_t, Mimedisc_t*);

struct Mimedisc_s
{
      unsigned long     version;    /* interface version          */
      unsigned long     flags;            /* MIME_* flags               */
      Error_f           errorf;           /* error function       */
      Mimevalue_f valuef;           /* value extraction function  */
};

struct Mime_s
{
      const char* id;         /* library id string          */

#ifdef _MIME_PRIVATE_
      _MIME_PRIVATE_
#endif

};

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

extern Mime_t*    mimeopen(Mimedisc_t*);
extern int  mimeload(Mime_t*, const char*, unsigned long);
extern int  mimelist(Mime_t*, Sfio_t*, const char*);
extern int  mimeclose(Mime_t*);
extern int  mimeset(Mime_t*, char*, unsigned long);
extern char*      mimetype(Mime_t*, Sfio_t*, const char*, struct stat*);
extern char*      mimeview(Mime_t*, const char*, const char*, const char*, const char*);
extern int  mimehead(Mime_t*, void*, size_t, size_t, char*);
extern int  mimecmp(const char*, const char*, char**);

#undef      extern

#endif

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