declare -a OPTIONS
OPTIONS=(
-kr # Use Kernighan & Ritchie coding style.
- -l80 # Set maximum line length for non-comment lines to 80.
+ -l120 # Set maximum line length for non-comment lines to 120.
-nut # Use spaces instead of tabs.
-i2 # Set indentation level to 2 spaces.
-lps # Leave space between ‘#’ and preprocessor directive.