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#ifndef HSEARCH_H
#define HSEARCH_H
#include <stdlib.h>
typedef union htab_value {
void *p;
size_t n;
} htab_value;
#define HTV_N(N) (htab_value) {.n = N}
#define HTV_P(P) (htab_value) {.p = P}
struct htab * htab_create(size_t);
void htab_destroy(struct htab *);
htab_value* htab_find(struct htab *, const char* key);
/* same as htab_find, but can retrieve the saved key (for freeing) */
htab_value* htab_find2(struct htab *htab, const char* key, char **saved_key);
int htab_insert(struct htab *, char*, htab_value);
int htab_delete(struct htab *htab, const char* key);
size_t htab_next(struct htab *, size_t iterator, char** key, htab_value **v);
#endif
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