Function libc::posix_spawnattr_getarchpref_np

pub unsafe extern "C" fn posix_spawnattr_getarchpref_np(
    attr: *const posix_spawnattr_t, 
    count: size_t, 
    pref: *mut cpu_type_t, 
    subpref: *mut cpu_subtype_t, 
    ocount: *mut size_t
) -> c_int