ITT the ABC Programming Language

#include <stdio.h>

int main(int argc,char argv*[]){
  int i = 0;
  int BUFFA;

  while(argv[i]!='\0'){
    if(argv[i]='a')
      BUFFA++;
    else if(argv[i]='b')
      BUFFA--;
    else if(argv[i]='c')
      printf("%i\n",BUFFA);
    else printf("%s","Error.\n");
  }
}

>>187
Intellectual property enters the public domain only when it grows old.  Everything else, including certainly any computer software of recent vintage, is owned by somebody somewhere.
http://cvs.savannah.gnu.org/viewvc/emacs/lisp/emulation/vi.el?root=emacs&view=markup
;; This file is in the public domain because the authors distributed it
;; without a copyright notice before the US signed the Bern Convention.

ed from 6th edition unix (http://minnie.tuhs.org/UnixTree/V6/usr/source/s1/ed.c.html, 1975) and 7th edition unix (http://minnie.tuhs.org/UnixTree/V7/usr/src/cmd/ed.c.html, 1979) also does not have a copyright notice and was distributed before the US signed the Berne Convention (1989).

...rosen fails at law.