char *getusershell();

[Ayamura KIKUCHI]

> Standard typecasing does not work?
> 
> while ((cp = (char *) getusershell()) != NULL)

Yes, it works.

Several OS such as IRXI do not have the getusershell(),setusershell()
and endusershell() functions so we need to introduce those in a file
"openbsd-compat/getusershell.c".

-- ayamura