dos2unixfn
int dos2unixfn(u_char dn[11], u_char *un, int lower,
dos2unixfn(fatEntry->deName, reinterpret_cast<u_char*>(dirBuf->d_name),
dos2unixfn(fatNode->de_Name, reinterpret_cast<u_char*>(unixShortname), 0, fatVolume);