For a deep dive on UB with printf, see https://srs.fyi/see-conversions/ https://srs.fyi/see-conversions/ > When programming in C, to avoid unexpected pitfalls,

For a deep dive on UB with printf, see https://srs.fyi/see-conversions/ https://srs.fyi/see-conversions/ > When programming in C, to avoid unexpected pitfalls, one must be acutely aware of a whole slew of implicit behaviors (some of which are implementation-defined or even undefined).