trish ✓

[image] Memory-efficient doubly linked list using XOR of pointers (advanced, tricky).

[image] Built a minimal chat server in C - multi-client support (up to 10 users) - real-time message broadcasting - clean socket programming with select() - threaded client for async messaging perfect for learning network programming!

[image] This is how I hooked my C audio engine to a Lua GUI using FFI - Compile C code → shared library (.so) - Load with ffi.load() - Define functions via ffi.cdef - Call them right from Lua! Fast DSP in C + beautiful UI in Lua/Love2D