Function uikit_sys::CFURLCreateStringByReplacingPercentEscapesUsingEncoding

pub unsafe extern "C" fn CFURLCreateStringByReplacingPercentEscapesUsingEncoding(
    allocator: CFAllocatorRef, 
    origString: CFStringRef, 
    charsToLeaveEscaped: CFStringRef, 
    encoding: CFStringEncoding
) -> CFStringRef