I don't see how C can match Fortran's abstraction level and still reliably control hardware that uses memory-mapped I/O. C, as an operating system implementati

I don't see how C can match Fortran's abstraction level and still reliably control hardware that uses memory-mapped I/O. C, as an operating system implementation language, is trying to do something fundamentally different than Fortran. You live by memory address, you die by memory address.