tail

1. mark prototype
   //_PROTOTYPE(int tail_main, (int argc, char **argv));
   //_PROTOTYPE(int tail, (int count, int bytes, int read_until_killed));
   //_PROTOTYPE(int keep_reading, (void));
   //_PROTOTYPE(void usage, (void));
   
2. change functions to
   int main(int argc, char **argv)
   int tail(int count, int bytes, int read_until_killed)
   
3. Reference
   
   1. tail.c