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- /*
- * db.h : External defs for database users.
- *
- * George Ferguson, ferguson@cs.rochester.edu, 27 Oct 1990.
- * Version 1.1 - 27 Feb 1991.
- *
- * $Id: db.h,v 2.1 91/02/28 11:21:15 ferguson Exp $
- */
-
- #ifndef DB_H
- #define DB_H
-
- /*
- * The appointment database is a hierarchical data structure. It has an
- * array indexed by dow (and 0 for unspecified dow) of year structures,
- * which in turn each contain a list of month structures, each containing
- * a list day structures, each containing a list of message structures
- * that store the actual reminders.
- *
- * The key to using incompletely-specified patterns is described in
- * lookupEntry().
- */
- typedef struct _msgrec {
- int dow,year,month,day; /* redundant, but useful */
- int hour,mins;
- char *text;
- int system;
- int level;
- struct _msgrec *next;
- } Msgrec;
- typedef struct _dayrec {
- int day;
- Msgrec *msgs;
- struct _dayrec *next;
- } Dayrec;
- typedef struct _monrec {
- int mon;
- Dayrec *days;
- struct _monrec *next;
- } Monrec;
- typedef struct _yearrec {
- int year;
- Monrec *mons;
- struct _yearrec *next;
- } Yearrec;
-
- extern Yearrec *Db[8];
-
- extern void initDb(), readDb(), writeDb();
- extern Msgrec *addEntry();
- extern Boolean deleteEntry();
- extern int lookupEntry();
-
- #endif /* DB_H */
-