Furthermore, size_t bears no relationship with int; it could be wider/equal/narrower. If size_t is narrower than int, then doing any arithmetic on size_t variab

Furthermore, size_t bears no relationship with int; it could be wider/equal/narrower. If size_t is narrower than int, then doing any arithmetic on size_t variables will result in automatic promotion to signed int, which can lead to dangerous signed overflow. C/C++ are full of footguns.