Cross Reference: /development/ndk/platforms/android-21/arch-arm/lib

`Name`	`Date`	`Size`
Up to higher level directory
`libc.a`	05-Oct-2017	`6.8M`
`libm.a`	05-Oct-2017	`1.2M`
`libstdc++.a`	05-Oct-2017	`81.1K`
`libz.a`	05-Oct-2017	`426.6K`