memset(buf, 0, sizeof(buf));\r
if (fgets(buf, sizeof(buf), f) == NULL) {\r
PrintAndLog("No trace file found or reading error.");\r
memset(buf, 0, sizeof(buf));\r
if (fgets(buf, sizeof(buf), f) == NULL) {\r
PrintAndLog("No trace file found or reading error.");\r