Remove libpty, gssftp, telnet, and the bsd applications from the
source tree, build system, and tests.

Docs still need to be updated to remove mentions of the applications.
The build system should be simplified now that we're down to one
configure script and don't need some of the functionality currently in
aclocal.m4.

ticket: 6583
status: open

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        setenv.c, v4rcp.c: Signed v.s unsigned int cleanup.

        * defines.h: rcmd_stream_{read,write} take size_t as length argument.

        * kcmd.c: Use GETSOCKNAME_ARG3_TYPE instead of assuming int. input
        and output handler take size_t as length argument instead of
        int. Other signed vs. unsigned fixes.

        * configure.in: Add KRB5_GETSOCKNAME_ARGS.

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	* configure.in: Creare a new variable KRSHDLIBS which differs from
	LOGINLIBS by not including libkrb524.a. Test for getenv.

	* krcp.c: Prototype lostconn().

	* krlogind.c: Provide prototype for signal handler cleanup. Implied
	need to add extra argument to function - ensure consistant
	calling.

	* krsh.c: Provide prototype for signal handler sendsig.

	* krshd.c: Rewrite error() to use stdargs/varargs.
	(doit): When creating a tty name using getpid. Ensure that does
	not overflow tty string buffer.

	* login.c: Provide prototype for signal handler timedout.

	* setenv.c: Do not define getenv() unless needed.

	* v4rcp.c: Rewrite error() to use stdargs/varargs. Add signal
	number argument to lostconn(), include prototype, and ensure
	called consistantly.

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	conditionals.  Include krb524.h if KRB4_CONVERT defined.

	* krlogind.c (main): Cleanup unused variables.
	(protocol): Cleanup ambiguous if-if-else warning.

	* krshd.c (main): Cleanup unused variables.

	* krlogin.c (setsignal): Declare as void.
	(server_message): Cleanup unused variables.

	* setenv.c (setenv): Declare as returning int and clean up
	assignments in conditionals.

	* kcmd.c (kcmd, rcmd_stream_init_krb5, v5_des_read): Clean up
	unused variables and assignments in conditionals.
	* forward.c (rd_and_store_for_creds): Likewise.
	* krcp.c (rsource): Likewise.
	* v4rcp.c (answer_auth): Likewise.

	* krsh.c (main): Declare as retuning int.

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* forward.c: give caller handle to ccache so it can be destroyed.
* krshd: destroy the ccache if it is non-null.
* krlogind:  Fix call, but don't destroy cache, as
    login.krb5 should do that any year now.

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