Interfacing with other libraries is fine as long as those other libraries also avoid libc... though of course then you get the whole problem of everyone reinven

Interfacing with other libraries is fine as long as those other libraries also avoid libc... though of course then you get the whole problem of everyone reinventing the various wheels libc offers. Hypothetically that would then lead to various libraries implementing all the basics springing up from the primordial soup of code and the community eventually deciding on some libraries that are "good enough" which become the de facto new standard.