C. It's the only language people writing bootloaders, writing kernels, and writing serious userland code kinda sorta agree on. Maybe someday it'll be rust, but

C. It's the only language people writing bootloaders, writing kernels, and writing serious userland code kinda sorta agree on. Maybe someday it'll be rust, but if so that day isn't this year or next. Plenty of time to pick it up for your next job.