Yeah, and also not every idiomatic C/C++ code is portable. Hardcoded structure sizes, assumptions about the byte order in integers or assumptions about alignmen

Yeah, and also not every idiomatic C/C++ code is portable. Hardcoded structure sizes, assumptions about the byte order in integers or assumptions about alignments in certain data structures might cause headaches with porting the code to another CPU. Truly high level languages hide these details.