dmi_match
if (!dmi_match(slot, dsi->matches[i].substr))
bool dmi_match(int, const char *);
!(dmi_match(DMI_PRODUCT_NAME, "iMac12,1") || dmi_match(DMI_PRODUCT_NAME, "iMac12,2")))
if (dmi_match(DMI_PRODUCT_NAME, "iMac10,1"))