Function krb5_sys::krb5_auth_con_get_checksum_func

pub unsafe extern fn krb5_auth_con_get_checksum_func(context: krb5_context,
                                                     auth_context: krb5_auth_context,
                                                     func: *mut krb5_mk_req_checksum_func,
                                                     data: *mut *mut c_void)
                                                     -> krb5_error_code