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Begin formatting overhaul and REUSE compliance

/*
 *                            *
 *                           * *
 *                          *   *
 *                     ***************
 *                      * *       * *
 *                       *  MUMPS  *
 *                      * *       * *
 *                     ***************
 *                          *   *
 *                           * *
 *                            *
 *
 *   tp_check.h
 *    TP checkpointing declarations
 *
 *  
 *   Author: Serena Willis <snw@coherent-logic.com>
 *    Copyright (C) 1998 MUG Deutschland
 *    Copyright (C) 2022 Coherent Logic Development LLC
 *
 *
 *   This file is part of FreeM.
 *
 *   FreeM is free software: you can redistribute it and/or modify
 *   it under the terms of the GNU Affero Public License as published by
 *   the Free Software Foundation, either version 3 of the License, or
 *   (at your option) any later version.
 *
 *   FreeM is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU Affero Public License for more details.
 *
 *   You should have received a copy of the GNU Affero Public License
 *   along with FreeM.  If not, see <https://www.gnu.org/licenses/>.
 *
 **/

#define CP_UNUSED 0
#define CP_REMOVE 1
#define CP_RESTORE 2

typedef struct cptab {

    char mode; /* CP_UNUSED, CP_REMOVE, or CP_RESTORE */

    char *global; /* global name */
    char *file; /* fully-qualified file path */

    char *cp_file; /* fully-qualified checkpoint file path */

    struct cptab *next;

} cptab;

extern cptab *cptab_head[];

extern cptab *cptab_insert(int tlevel, char *global);
extern cptab *cptab_retrieve(int tlevel, char *global);
extern void cptab_delete(int tlevel, char *global);
extern short cptab_precommit(int tlevel);
extern void cptab_postcommit(int tlevel);
extern void cptab_dump(int tlevel);
short cptab_rollback(int tlevel);