pub unsafe extern "C" fn fdevopen(
__put: Option<unsafe extern "C" fn(arg1: c_char, arg2: *mut FILE) -> c_int>,
__get: Option<unsafe extern "C" fn(arg1: *mut FILE) -> c_int>,
__flush: Option<unsafe extern "C" fn(arg1: *mut FILE) -> c_int>,
) -> *mut FILE