Data Structures

Here are the data structures with brief descriptions:

cache_type	Cache to speedup computing
db	Database itself
fill_squares_struct	This structure is use to provide parameters for fill_squares() function
for_each_thread_node_structure	Helper structure for for_each_thread_node() function
let_stat	Statistics about letter
res_stat	This structure contains statistics about found prefixes
squares_fill_data	Auxiliary structure
thread_arg	Thread argument
thread_common_arg	Thread shared arguments
tmpstats	New data structure for statistics