+#if VPP_API_TEST_BUILTIN == 0
+static_always_inline uword
+api_unformat_sw_if_index (unformat_input_t *input, va_list *args)
+{
+ vat_main_t *vam = va_arg (*args, vat_main_t *);
+ u32 *result = va_arg (*args, u32 *);
+ u8 *if_name;
+ uword *p;
+
+ if (!unformat (input, "%s", &if_name))
+ return 0;
+
+ p = hash_get_mem (vam->sw_if_index_by_interface_name, if_name);
+ if (p == 0)
+ return 0;
+ *result = p[0];
+ return 1;
+}
+#endif /* VPP_API_TEST_BUILTIN */