$ ./cosu -h
cosu
A rhythm game written in C, (not yet fully) compatible with osu!mania maps.

Options:
    -h,--help 
        show help message
    -r,--random 
        generate notes randomly
    -f,--frequency <double>
        set random note frequency
    -x,--width <int>
        set screen width
    -y,--height <int>
        set screen height
    -p,--fps <int>
        set flames per second
    -s,--speed <double>
        set the scroll speed
    -m,--map <str>
        use map file