Function krb5_sys::krb5_get_init_creds_keytab

pub unsafe extern fn krb5_get_init_creds_keytab(context: krb5_context,
                                                creds: *mut krb5_creds,
                                                client: krb5_principal,
                                                arg_keytab: krb5_keytab,
                                                start_time: krb5_deltat,
                                                in_tkt_service: *const c_char,
                                                k5_gic_options: krb5_get_init_creds_opt)
                                                -> krb5_error_code