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- /*
- * HELP.H
- * UTREE help definitions.
- * 3.01-um klin, Sat Apr 20 11:02:33 1991
- * 3.03-um klin, Sat Feb 15 18:33:14 1992, Minor changes
- *
- * Copyright (c) 1991/92 by Peter Klingebiel & UNIX Magazin Muenchen.
- * For copying and distribution information see the file COPYRIGHT.
- */
- #if defined(_MAIN_) && !defined(lint)
- static char sccsid_help[] = "@(#) utree 3.03-um (klin) Feb 15 1992 help.h";
- #endif /* _MAIN_ && !lint */
-
- /* Max length of a menu item in the help menuline */
- #define ITEMLEN 16
-
- /*
- * Utree help pages are hold in a dynamically linked list of the
- * following data structure _hlist which is built up at runtime.
- * The record contains information about help items from a help
- * file, i.e. a menu title or item, the starting position of a help
- * page about this item in the help file and the number of lines
- * of this help page. Displaying a help page about an item is
- * therefore searching this item in the help page list, positioning
- * to the starting position in the help file and putting as many
- * lines from the helpfile to screen as this help page has.
- */
-
- typedef struct _hlist {
- char item[ITEMLEN]; /* Menu line item */
- char hotkey; /* Menu hot key */
- int nlines; /* Number of lines in help file */
- long position; /* Start position in help file */
- struct _hlist *next; /* Pointer to next help page */
- } hlist;
-
- #define HNULL ((hlist *) 0) /* The hlist NIL pointer */
-
- /*
- * Access to items of hlist record is done with macros
- * to hide this record and for abbreviation.
- */
-
- #define HITEM(p) ((p)->item)
- #define HHKEY(p) ((p)->hotkey)
- #define HNLIN(p) ((p)->nlines)
- #define HSPOS(p) ((p)->position)
- #define HNEXT(p) ((p)->next)
-
-