Having the prototype available before the first use of the function allows the compiler to check that the correct number and type of arguments are used in the function call and that the returned value, if any, is being used reasonably. The function definition itself can act as an implicit function declaration.
While shellac is not usually the finish paint choice, it is often thought of as the best paint primer available. It has properties that oil and water based paints can't match, and provides a more dependable seal than most other primers are able to provide.
Apply the solvent with a rag to loosen the shellac/lacquer from the wood surface, then lightly scrape the residual finish with a plastic putty knife. 3. Removing finish with chemical strippers: Good for polyurethane (acrylic), varnish, and paint. Photo: shearerpainting.com.. Removing finish with solvents: Good for shellac and lacquer. Photo: rockler.com. Shellac and lacquer are alcohol-based finishes, which can be removed with a variety of solvents that are available from your neighborhood hardware store. Shellac can be removed with denatured alcohol.