[quote user="Bruce Reeves SRNS"]What am I doing "wrong" such that the linker can't find the functions, which are clearly there?[/quote]
Keep in mind that bmake and Viz Studio are front-ends. They use the same back-end compiler and linker.
You must make Viz Studio aware of whatever library files you have listed in your bmake file. Viz Studio Project Properties is the place to that, in the Linker section.