tab.h

   1 #define TABITEMS                (1 << 18)
   2 #define container(ptr, type, field)     ((type *) ((void *) (ptr) - \
   3                                                         offsetof(type, field)))
   4
   5 struct tab {
   6         int head[TABITEMS];
   7         char *data[TABITEMS];
   8         int next[TABITEMS];
   9         int n;
  10 };
  11
  12 void tab_add(struct tab *t, char *s);
  13 void tab_del(struct tab *t, char *s);
  14 char *tab_get(struct tab *t, char *s);