Gets a human-readable name for the application, as set by set_application_name.
This name should be localized if possible, and is intended for display to the user. Contrast with get_prgname, which gets a non-localized name. If set_application_name has not been called, returns the result of get_prgname (which may be null if set_prgname has also not been called).
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human-readable application name. may return null |