ck_hs_fas man page on DragonFly

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CK_HS_FAS(3)		 BSD Library Functions Manual		  CK_HS_FAS(3)

NAME
     ck_hs_fas — fetch and store key in hash set

LIBRARY
     Concurrency Kit (libck, -lck)

SYNOPSIS
     #include <ck_hs.h>

     bool
     ck_hs_fas(ck_hs_t *hs, unsigned long hash, const void *key,
	 void **previous);

DESCRIPTION
     The ck_hs_fas(3) function will fetch and store the key specified by the
     key argument in the hash set pointed to by the hs argument. The key spec‐
     ified by key is expected to have the hash value specified by the hash
     argument (which was previously generated using the CK_HS_HASH(3) macro).

     If the call to ck_hs_fas(3) was successful then the key specified by key
     was successfully stored in the hash set pointed to by hs.	The key must
     already exist in the hash set, and is replaced by key and the previous
     value is stored into the void pointer pointed to by the previous argu‐
     ment. If the key does not exist in the hash set then the function will
     return false and the hash set is unchanged. This function is guaranteed
     to be stable with respect to memory usage.

RETURN VALUES
     Upon successful completion, ck_hs_fas(3) returns true and otherwise
     returns false on failure.

ERRORS
     Behavior is undefined if key or hs are uninitialized.

SEE ALSO
     ck_hs_init(3), ck_hs_move(3), ck_hs_destroy(3), CK_HS_HASH(3),
     ck_hs_iterator_init(3), ck_hs_next(3), ck_hs_get(3), ck_hs_put(3),
     ck_hs_put_unique(3), ck_hs_remove(3), ck_hs_grow(3), ck_hs_rebuild(3),
     ck_hs_gc(3), ck_hs_count(3), ck_hs_reset(3), ck_hs_reset_size(3),
     ck_hs_stat(3)

     Additional information available at http://concurrencykit.org/

				 June 20, 2013
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