genpng --version (return code: 0)
genpng: LCOV version 1.12
genpng --help (return code: 0)
Usage: genpng [OPTIONS] SOURCEFILE
Create an overview image for a given source code file of either plain text
or .gcov file format.
-h, --help Print this help, then exit
-v, --version Print version number, then exit
-t, --tab-size TABSIZE Use TABSIZE spaces in place of tab
-w, --width WIDTH Set width of output image to WIDTH pixel
-o, --output-filename FILENAME Write image to FILENAME
For more information see: http://ltp.sourceforge.net/coverage/lcov.php