Function libR_sys::ALTREP_INSPECT

pub unsafe extern "C" fn ALTREP_INSPECT(
    arg1: SEXP, 
    arg2: c_int, 
    arg3: c_int, 
    arg4: c_int, 
    arg5: Option<unsafe extern "C" fn(arg1: SEXP, arg2: c_int, arg3: c_int, arg4: c_int)>
) -> Rboolean