hcreate ()

int
hcreate (size_t nel);

hdestroy ()

void
hdestroy (void);

hsearch ()

ENTRY *
hsearch (ENTRY item,
         ACTION action);

insque ()

void
insque (void *elem,
        void *pred);

lfind ()

void *
lfind (const void *key,
       const void *base,
       size_t *nelp,
       size_t width,
       int (*compar) (const void *, const void *));

lsearch ()

void *
lsearch (const void *key,
         void *base,
         size_t *nelp,
         size_t width,
         int (*compar) (const void *, const void *));

remque ()

void
remque (void *elem);

tdelete ()

void *
tdelete (const void *key,
         void **rootp,
         int (*compar) (const void *, const void *));

tfind ()

void *
tfind (const void *key,
       void * const *rootp,
       int (*compar) (const void *, const void *));

tsearch ()

void *
tsearch (const void *key,
         void **rootp,
         int (*compar) (const void *, const void *));

twalk ()

void
twalk (const void *root,
       void (*action) (const void *, VISIT, int));

enum ACTION

enum VISIT

size_t

#define             size_t