SOCK_IOC_TYPE    3056 drivers/net/tun.c 	    (_IOC_TYPE(cmd) == SOCK_IOC_TYPE && cmd != SIOCGSKNS)) {
SOCK_IOC_TYPE      36 include/uapi/linux/sockios.h #define SIOCGSTAMP_NEW	 _IOR(SOCK_IOC_TYPE, 0x06, long long[2])
SOCK_IOC_TYPE      38 include/uapi/linux/sockios.h #define SIOCGSTAMPNS_NEW _IOR(SOCK_IOC_TYPE, 0x07, long long[2])