File list (Check if you may need any files):
surfer-3.1.7
............\surfer-3.1.7
............\............\AUTHORS
............\............\auxsource
............\............\.........\datb2gnuplot.c
............\............\.........\datbshift.c
............\............\.........\echo.c
............\............\.........\find_step.c
............\............\.........\include.h
............\............\.........\Makefile
............\............\.........\new_step.c
............\............\.........\old_step.c
............\............\.........\README
............\............\CHANGES_ALL
............\............\CHANGES_V3.0
............\............\CHANGES_V3.1
............\............\Cleanout
............\............\Cleansubdirs
............\............\COPYRIGHT
............\............\HELP
............\............\HISTORY
............\............\INSTALL
............\............\LICENSE
............\............\Machines
............\............\........\machdep.f.HP
............\............\........\machdep.f.R6K
............\............\........\machdep.f.SG
............\............\........\machdep.f.SPARC
............\............\........\Makefile.HP
............\............\........\Makefile.R6K
............\............\........\Makefile.SG
............\............\........\Makefile.SPARC
............\............\Makefile
............\............\MANIFEST
............\............\perfs
............\............\.....\edited
............\............\.....\perf3D_128
............\............\.....\perfs
............\............\.....\perfs3D
............\............\.....\times
............\............\README
............\............\source
............\............\......\afromc.f
............\............\......\capcsf.f
............\............\......\ciam.f
............\............\......\comflag.f
............\............\......\comvort.f
............\............\......\csfbkz.f
............\............\......\cycling.f
............\............\......\datb_out.c
............\............\......\Drop.f
............\............\......\flush.f
............\............\......\force_out.c
............\............\......\global.f
............\............\......\GP_decl.f
............\............\......\initlog.f
............\............\......\ini_conditions.f
............\............\......\mach.h
............\............\......\machdep.f
............\............\......\machdep_ibm.f
............\............\......\mach_cray.h
............\............\......\mach_ibm.h
............\............\......\Makefile
............\............\......\momentum.f
............\............\......\newcsf.f
............\............\......\OLD
............\............\......\...\aalto.c
............\............\......\...\quadratic.c
............\............\......\...\test
............\............\......\...\test.c
............\............\......\parameters.h
............\............\......\patch
............\............\......\pointers.f
............\............\......\readprintpar.f
............\............\......\save.f
............\............\......\size.h
............\............\......\stresses.f
............\............\......\time_step.f
............\............\......\undefined.h
............\............\......\upwind.f
............\............\......\utilf.f
............\............\......\VMG_relax.f
............\............\......\vol2.f
............\............\......\xp_zn.f
............\............\......\zop.f
............\............\test
............\............\....\Drop
............\............\....\....\Clean
............\............\....\....\falling.par
............\............\....\....\out
............\............\....\....\README
............\............\....\....\rising.par
............\............\....\....\rising_air_bubble.par
............\............\....\Makefile