As of version 3.6.23 (all statistics in the report are against that release of SQLite), the SQLite library consists of approximately 67.2 KSLOC of C code. (KSLOC means thousands of "Source Lines Of Code" or, in other words, lines of code excluding blank lines and comments.) By comparison, the project has 679 times as much test code and test scripts - 45678.3 KSLOC.