####development need library.
- basic data structures and unit test
- unit test is based on check framework check0.9.9 is used
####third party library used:
- check 0.9.9[http://sourceforge.net/projects/check/] : unit test library
- libevent 2.0.21-stable[http://libevent.org/]: io framework
- log4c 1.2.3[http://log4c.sourceforge.net/] : logging library
- tcc-0.9.26[http://bellard.org/tcc/] : config file and customize at runtime