Extern or forward variable declaration at include/linux/if_tun.h, line 37 References: drivers/net/tap.c, line 144 drivers/net/tap.c, line 144 drivers/net/tap.c, line 165 drivers/net/tap.c, line 165 drivers/net/tap.c, line 175 drivers/net/tap.c, line 175 drivers/net/tap.c, line 178 drivers/net/tap.c, line 499 drivers/net/tap.c, line 499 drivers/net/tap.c, line 524 drivers/net/tap.c, line 524 drivers/net/tap.c, line 542 drivers/net/tap.c, line 563 drivers/net/tap.c, line 563 drivers/net/tap.c, line 565 drivers/net/tap.c, line 570 drivers/net/tap.c, line 570 drivers/net/tap.c, line 572 drivers/net/tap.c, line 579 drivers/net/tap.c, line 755 drivers/net/tap.c, line 755 drivers/net/tap.c, line 756 drivers/net/tap.c, line 758 drivers/net/tap.c, line 871 drivers/net/tap.c, line 871 drivers/net/tap.c, line 872 drivers/net/tap.c, line 875 drivers/net/tap.c, line 899 drivers/net/tap.c, line 899 drivers/net/tap.c, line 901 drivers/net/tap.c, line 910 drivers/net/tap.c, line 971 drivers/net/tap.c, line 971 drivers/net/tap.c, line 974 drivers/net/tap.c, line 1020 drivers/net/tap.c, line 1249 drivers/net/tap.c, line 1249 drivers/net/tap.c, line 1252 drivers/net/tap.c, line 1254 drivers/net/tap.c, line 1261 drivers/net/tap.c, line 1261 drivers/net/tap.c, line 1265 drivers/net/tap.c, line 1267