Some users want a C backend, not for maintainability reasons, but for the ability to compile on platforms that have nothing but a C compiler. The maintainability or aesthetics of the C is irrelevant, it's like another intermediate representation.
I bet it would be easier to write a code gen for such platforms than to wrassal generated C code and work around the endless problems.
Anyhow, one of the curious features of D is its ability to translate C code to D code. Curious as it was never intentionally designed, it was discovered by one of our users.
D has the ability to create a .di file from a .d file, which is analogous to writing a .h file from a .c file. When D gained the ability to compile C files, you just ask it to create a .di file, and voila! the C code translated to D!
