Cross Reference: /external/ltp/testcases/kernel/pty

`Name`	`Date`	`Size`
Up to higher level directory
`hangup01.c`	21-Aug-2018	`5.4K`
`Makefile`	21-Aug-2018	`1,009`
`ptem01.c`	21-Aug-2018	`9.3K`
`pty01.c`	21-Aug-2018	`8.6K`