KLS_lib is a general-purpose C library that tries to be cross-platform.

Some stuff:

• try / catch
• threadpool
• heap
• timer
• class-system
• signals
• string calculator
• list
• queue
• vector
• matrix
• net / socket manager
• gui / widgets (unfinished, but it works)
• regex (done only compilation of pattern)
• some geometry tasks

Look for usage examples in main.c