puffs_mode2vt
enum vtype puffs_mode2vt(mode_t);
va->va_type = puffs_mode2vt(sb->st_mode);
dtype = (uint8_t)puffs_vtype2dt(puffs_mode2vt(stbuf->st_mode));
va->va_type = puffs_mode2vt(st.st_mode);
if (puffs_mode2vt(va.va_mode) != VDIR)
vap->va_type = puffs_mode2vt(vap->va_mode);