hsearch.h

   1 #ifndef HSEARCH_H
   2 #define HSEARCH_H
   3
   4 #include <stdlib.h>
   5
   6 typedef union htab_value {
   7         void *p;
   8         size_t n;
   9 } htab_value;
  10
  11 #define HTV_N(N) (htab_value) {.n = N}
  12 #define HTV_P(P) (htab_value) {.p = P}
  13
  14 struct htab * htab_create(size_t);
  15 void htab_destroy(struct htab *);
  16 htab_value* htab_find(struct htab *, char* key);
  17 /* same as htab_find, but can retrieve the saved key (for freeing) */
  18 htab_value* htab_find2(struct htab *htab, char* key, char **saved_key);
  19 int htab_insert(struct htab *, char*, htab_value);
  20 int htab_delete(struct htab *htab, char* key);
  21 size_t htab_next(struct htab *, size_t iterator, char** key, htab_value **v);
  22
  23 #endif