2005-12-08 Carl Worth <cworth@cworth.org>

        * src/ttt-args.h:
        * src/ttt-args.c: (ttt_args_help), (ttt_args_parse): Add
        -d,--detach and --pid-file=FILE options for running the server as
        a daemon.

        * src/ttt-server.c: (ttt_server_statistics),
        (ttt_server_verify_username), (_detach_and_write_child_pid_to),
        (main): Add support for detaching and writing out the child PID to
        a file.

        * src/x.h:
        * src/x.c: (xfopen), (xdup2): Two new x-functions.