ngx::ffi

Function BN_GENCB_set_old

Source 
pub unsafe extern "C" fn BN_GENCB_set_old(
    gencb: *mut bn_gencb_st,
    callback: Option<unsafe extern "C" fn(_: i32, _: i32, _: *mut c_void)>,
    cb_arg: *mut c_void,
)