according to GNU coding standards for help (https://www.gnu.org/prep/standards/html_node/_002d_002dhelp.html) and version it's recommend to print it on standard output, then exit successfully It's also made slimmer as it calls fprintf() only once instead of each line
according to GNU coding standards for help (https://www.gnu.org/prep/standards/html_node/_002d_002dhelp.html) and version it's recommend to print it on standard output, then exit successfully It's also made slimmer as it calls fprintf() only once instead of each line