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K. Richard Pixley
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/* gdbm.h - The include file for dbm users. */
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/* GNU DBM - DataBase Manager (database subroutines) by Philip A. Nelson
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Copyright (C) 1989 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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You may contact the author by:
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e-mail: phil@wwu.edu
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us-mail: Philip A. Nelson
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Computer Science Department
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Western Washington University
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Bellingham, WA 98226
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phone: (206) 676-3035
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*************************************************************************/
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/* Parameters to gdbm_open for READERS, WRITERS, and WRITERS who
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can create the database. */
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#define GDBM_READER 0
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#define GDBM_WRITER 1
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#define GDBM_WRCREAT 2
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#define GDBM_NEWDB 3
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/* Parameters to gdbm_store for simple insertion or replacement. */
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#define GDBM_INSERT 0
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#define GDBM_REPLACE 1
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/* The data and key structure. This structure is defined for compatibility. */
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typedef struct {
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char *dptr;
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int dsize;
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} datum;
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/* The file information header. This is good enough for most applications. */
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typedef struct {int dummy[10];} *GDBM_FILE;
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/* These are the routines! */
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extern GDBM_FILE gdbm_open ();
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extern void gdbm_close ();
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extern datum gdbm_fetch ();
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extern int gdbm_store ();
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extern int gdbm_delete ();
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extern datum gdbm_firstkey ();
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extern datum gdbm_nextkey ();
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extern int gdbm_reorganize ();
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/* gdbm sends back the following error codes in the variable gdbm_errno. */
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typedef enum { NO_ERROR,
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MALLOC_ERROR,
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BLOCK_SIZE_ERROR,
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FILE_OPEN_ERROR,
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FILE_WRITE_ERROR,
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FILE_SEEK_ERROR,
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FILE_READ_ERROR,
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BAD_MAGIC_NUMBER,
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EMPTY_DATABASE,
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CANT_BE_READER,
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CANT_BE_WRITER,
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READER_CANT_RECOVER,
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READER_CANT_DELETE,
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READER_CANT_STORE,
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READER_CANT_REORGANIZE,
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UNKNOWN_UPDATE,
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ITEM_NOT_FOUND,
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REORGANIZE_FAILED,
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CANNOT_REPLACE}
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gdbm_error;
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/* declarations for getopt
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Copyright (C) 1989 Free Software Foundation, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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/* For communication from `getopt' to the caller.
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When `getopt' finds an option that takes an argument,
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the argument value is returned here.
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Also, when `ordering' is RETURN_IN_ORDER,
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each non-option ARGV-element is returned here. */
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extern char *optarg;
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/* Index in ARGV of the next element to be scanned.
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This is used for communication to and from the caller
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and for communication between successive calls to `getopt'.
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On entry to `getopt', zero means this is the first call; initialize.
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When `getopt' returns EOF, this is the index of the first of the
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non-option elements that the caller should itself scan.
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Otherwise, `optind' communicates from one call to the next
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how much of ARGV has been scanned so far. */
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extern int optind;
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/* Callers store zero here to inhibit the error message `getopt' prints
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for unrecognized options. */
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extern int opterr;
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/* Describe the long-named options requested by the application.
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_GETOPT_LONG_OPTIONS is a vector of `struct option' terminated by an
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element containing a name which is zero.
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The field `has_arg' is:
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0 if the option does not take an argument,
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1 if the option requires an argument,
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2 if the option takes an optional argument.
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If the field `flag' is nonzero, it points to a variable that is set to
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the value given in the field `val' when the option is found, but
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left unchanged if the option is not found. */
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struct option
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{
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char *name;
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int has_arg;
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int *flag;
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int val;
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};
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extern struct option *_getopt_long_options;
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/* Name of long-named option actually found.
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Only changed when a long-named option is found. */
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extern char *_getopt_option_name;
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/* The index in GETOPT_LONG_OPTIONS of the long-named option found.
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Only valid when a long-named option has been found by the most
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recent call to `getopt'. */
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extern int option_index;
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