hmap_init
hmap_deinit
hmap_alloc
hmap_free

hmap_copy
hmap_swap
hmap_clear

hmap_link_get
hmap_link_pos
hmap_link_pop
hmap_link_set
hmap_link_alloc

hmap_get
hmap_rm
hmap_set
hmap_add

hmap_iter_init
hmap_iter_next

hmap_str_hash
hmap_str_keycmp