I use C since 1992, but I never confident in my C code, unless it heavy with macros to check error codes and return early, register memory allocations and free

I use C since 1992, but I never confident in my C code, unless it heavy with macros to check error codes and return early, register memory allocations and free memory at return, and so on. Rust improved my confidence in C code a lot, but it looks more like Rust code now.