wayland-scanner --version (return code: 0)
wayland-scanner 1.14.0
wayland-scanner --help (return code: 0)
usage: wayland-scanner [OPTION] [client-header|server-header|code] [input_file output_file]
Converts XML protocol descriptions supplied on stdin or input file to client
headers, server headers, or protocol marshalling code.
options:
-h, --help display this help and exit.
-v, --version print the wayland library version that
the scanner was built against.
-c, --include-core-only include the core version of the headers,
that is e.g. wayland-client-core.h instead
of wayland-client.h.