They are just like B&W negs and you treat them as such.
C41 B&W just uses colour processing methods (replace the silver with dye via colour couplers) to try and get finer grain.
Instead of a tri-pack film with three primary colour layers there is just one layer and the dye is dense and virtually black.
Ilford C-41 BW should be print on B&W paper and Kodak C-41 BW on color paper, Kodak has discontent their C-41 BW for printing on BW paper.
Kodak Can I print BW400CN Film on black-and-white papers?
For optimum performance, print BW400CN Film on professional color negative papers such as KODAK PROFESSIONAL PORTRA ENDURA or SUPRA ENDURA Papers.
From what I remember when I used it, the T400CN needed a bit of a contrast boost when printing on b&w paper. I'm guessing their B&W C41 film would be similar, but I'm not really a good person to ask.