unix2doschr
if (unix2doschr(&cp, (size_t *)&i, pmp) == 0)
c = unix2doschr(&cp, (size_t *)&i, pmp);
c = unix2doschr(&un, (size_t *)&i, pmp);
static uint16_t unix2doschr(const u_char **, size_t *, struct msdosfsmount *);