quick.c      C code for quicksort from http://linux.wku.edu/~lamonml/kb.html

 qs.c         Same code adapted to return a count of comparisons.
 qs.h         header for qs.c
 qs.o         object file for compiled qs.c; see comments in qs_main.c
 qs_main.c    Calls qs.c on lists of different lenghts and outputs the result.
 qs*          executable for qs.c and qs_main.c

 run_qs       Compile (qs_main.c, qs.c) to qs*; run it; output sent to qs.out
 qs.out       Output from qs

 ----------------------------------
 $ ./run_qs
 $ more qs.out
 # quicksort analysis 
 #                n            count         (n log(n)/count)
                 10               16                     0.62
                 30              103                     0.43
                100              346                     0.58
                300             1861                     0.40
               1000             6540                     0.46
               3000            24620                     0.42
              10000            97981                     0.41