usctest.h, parse_opts.c: More cleanup.

* Remove internal STD_go() and STD_opts_help() functions from header
  and declare them as static in source

* Constify return value from parse_opts

* Add void to functions without any parameters

* Do a bit of cleanup
  - remove useless comments
  - remove redundand ifdefs
  - fix a few whitespaces

Signed-off-by: Cyril Hrubis <chrubis@suse.cz>
2 files changed