Function ri_jwt_manager_generate 

#[unsafe(no_mangle)]
pub extern "C" fn ri_jwt_manager_generate(
    manager: *mut CRiJWTManager,
    user_id: *const c_char,
    roles: *const *const c_char,
    roles_count: usize,
    permissions: *const *const c_char,
    permissions_count: usize,
    out_token: *mut *mut c_char,
) -> c_int