[−][src]Function allegro_color_sys::allegro_color::al_color_rgb_to_cmyk
pub unsafe extern "C" fn al_color_rgb_to_cmyk(
red: c_float,
green: c_float,
blue: c_float,
cyan: *mut c_float,
magenta: *mut c_float,
yellow: *mut c_float,
key: *mut c_float
)