Function libR_sys::R_InitInPStream

pub unsafe extern "C" fn R_InitInPStream(
    stream: R_inpstream_t, 
    data: R_pstream_data_t, 
    type_: R_pstream_format_t, 
    inchar: Option<unsafe extern "C" fn(arg1: R_inpstream_t) -> c_int>, 
    inbytes: Option<unsafe extern "C" fn(arg1: R_inpstream_t, arg2: *mut c_void, arg3: c_int)>, 
    phook: Option<unsafe extern "C" fn(arg1: SEXP, arg2: SEXP) -> SEXP>, 
    pdata: SEXP
)