2 * CDE - Common Desktop Environment
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24 * $XConsortium: slist.h /main/4 1996/07/18 14:30:30 drk $
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56 #include "utility/debug.h"
57 #include "dstr/slist_cell.h"
59 // single-linked list class
64 slist(slist_cell* x = 0);
67 // append a slist. tail_list becomes part of this list. no copy
68 // is performed. tail_list -> head and tail_list -> tail
69 // are set to NULL. Also, tail_list -> ct = 0.
70 void append(slist* tail_list);
72 // generalization of append(). arguments should be of type slist*.
74 slist* concate_with(slist* ...);
78 void insert_as_tail(slist_cell* x) ;
83 // empty the list without free cells
84 void empty_list() { v_head = v_tail = 0; v_ct = 0;} ;
87 int count() { return v_ct; }; // number of cells in the list
88 slist_cell* get_head() { return v_head; };
89 slist_cell* get_tail() { return v_tail; };
91 long first(); // 0 if the list is empty
92 void next(long & index);
93 long last(); // 0 if the list is empty
96 int v_ct; // cell in the list
97 slist_cell *v_head; // head pointer
98 slist_cell *v_tail; // tail pointer
102 typedef slist *slistPtr;