Generating .di header files from ImportC files

[Walter Bright]

On 11/11/2023 12:02 AM, d007 wrote:
> dmd -c fuse.i -Hf=fuse.di
> 
> /usr/include/x86_64-linux-gnu/bits/byteswap.h(34): Error: missing comma or 
> semicolon after declaration of `__uint16_t`, found `__bswap_16` instead

Try isolating the lines in byteswap.h that cause the error.