Function CGDisplayBestModeForParameters 

pub unsafe extern "C-unwind" fn CGDisplayBestModeForParameters(
    display: CGDirectDisplayID,
    bits_per_pixel: usize,
    width: usize,
    height: usize,
    exact_match: *mut boolean_t,
) -> Option<CFRetained<CFDictionary>>

👎Deprecated:

No longer supported

Available on crate features CGDirectDisplay and libc only.

Safety

exact_match must be a valid pointer or null.