fat_get_entry
if (fat_get_entry(dir, &pos, &bh, &de) < 0) {
while (fat_get_entry(dir, &pos, &bh, &de) > -1) {
if (fat_get_entry(dir, pos, bh, de) < 0)
if (fat_get_entry(inode, &cpos, &bh, &de) == -1)
if (fat_get_entry(inode, &cpos, &bh, &de) == -1)
while (fat_get_entry(dir, pos, bh, de) >= 0) {