A classical fluid simulation source codes, spent a lot of time online. Source code integrity, and can be used directly.
File list:
FluidSolver
..........\Debug
..........\FluidSolver2.dsp
..........\FluidSolver2.dsw
..........\FluidSolver2.ncb
..........\FluidSolver2.opt
..........\FluidSolver2.plg
..........\main.c
..........\solver3d.c