INADDR_LOOPBACK 291 include/uapi/linux/in.h #define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */ INADDR_LOOPBACK 291 tools/include/uapi/linux/in.h #define INADDR_LOOPBACK 0x7f000001 /* 127.0.0.1 */