These are source codes corresponding to the test examples given in Bentley's
programming pearls column and my lecture notes

See the original article in either the Programming Pearls book or
@article{Bentley84a,
   author = {J. L. Bentley},
   title = {Programming Pearls: Code Tuning},
   journal = {Communications of the ACM},
   volume = {27},
   number = {2},
   pages = {91--96},
   month = {February},
   year = {1984}
}

bs1.c
bs1a.c
bs2.c
bs3.c
bs4.c
bs5.c