e></a>
has been replaced with a more portable
<a href="/pkg/os/#ProcessState"><code>ProcessState</code></a>
type with accessor methods to recover information about the
process.
Because of changes to <code>Wait</code>, the <code>ProcessState</code>
value always describes an exited process.
Portability concerns simplified the interface in other ways, but the values returned by the
<a href="/pkg/os/#ProcessState.Sys"><code>ProcessState.Sys</code></a> and
<a href="/pkg/os/#ProcessState.SysUsage"><code>ProcessSt