void *skipSearch(skipList list, UINT32 key, void **plock);
ARGUMENTSlist - list to search in.
key - key to look for.
plock - place for value lock (or NULL).
DESCRIPTIONSearches for <key> in <list>, and returns value if found, or NULL if not. If <plock> is non-NULL, then the lock returned in <plock> will be associated with the returned value. Until this lock is passed to skipRelease(), the value will not be freed with the freeValue callback (see skipNewList()).
MT-Level: Safe if <list> thread-safe.
RETURN VALUEplock - set to value lock.