https://www.quora.com/Why-does-C-accept-unsigned-long-unsigned-long-0-behavior-cannot-C-resolve-it-or-any-signification-when-accepting-it/answer/Ian-Joyner-1

Why does C accept unsigned long - unsigned long > 0 behavior, cannot C resolve it or any signification when accepting it?Ian Joyner's answer: Modern languages are based on tight specification so that errors or worse undefined behaviour is not passed to run time. C was not so much a language design (the language design came from BCPL) as an expedience to do Unix. The originator of CPL (on which BCPL is based) Chris...www.quora.com