> stdint.h / inttypes.h Including inttypes also includes stdint. You use stdint where you need the types only, like a header or non-IO module, and use inttype

> stdint.h / inttypes.h Including inttypes also includes stdint. You use stdint where you need the types only, like a header or non-IO module, and use inttypes where you need the print formatting. I agree it's a bit weird but that's the way I understand the intended usage.