setlocal commentstring=//\ %s

abbreviate <buffer> UCC unsigned char
abbreviate <buffer> u8 uint8_t *
abbreviate <buffer> U8 (uint8_t *)
let @e = "ywoassert(pA!= NULL);"
nmap [cl O// clang-format off<ESC>
nmap ]cl o// clang-format on<ESC>

setlocal equalprg=cfmt.sh
command! -buffer Fmt normal mtgg=G'tz.