Past work in the area by the folks at Immunant (https://immunant.com/ https://immunant.com/) that appears to be on-going https://github.com/immunant/c2rust http

Past work in the area by the folks at Immunant (https://immunant.com/ https://immunant.com/) that appears to be on-going https://github.com/immunant/c2rust https://github.com/immunant/c2rust. I think the project was also DARPA funded for a time.