Function libnotcurses_sys::ffi::ncsubproc_createv

pub unsafe extern "C" fn ncsubproc_createv(
    n: *mut ncplane, 
    opts: *const ncsubproc_options, 
    bin: *const c_char, 
    arg: *const *mut c_char, 
    cbfxn: ncfdplane_callback, 
    donecbfxn: ncfdplane_done_cb
) -> *mut ncsubproc

see exec(2). p-types use $PATH. e-type passes environment vars.