Extern or forward variable declaration fs/proc/internal.h, line 13 [usage...] include/linux/ipc_namespace.h, line 135 [usage...] include/linux/proc_fs.h, line 263 [usage...] include/linux/sysctl.h, line 941 [usage...] include/net/net_namespace.h, line 28 [usage...] include/net/net_namespace.h, line 284 [usage...] include/net/netns/conntrack.h, line 8 [usage...] include/net/netns/core.h, line 4 [usage...] include/net/netns/ipv4.h, line 10 [usage...] include/net/netns/ipv6.h, line 11 [usage...] include/net/netns/unix.h, line 7 [usage...] include/net/netns/xfrm.h, line 10 [usage...] Structure include/linux/sysctl.h, line 1034 [usage...] Class, struct, or union member include/net/netfilter/nf_conntrack_l3proto.h, line 67 [usage...] include/net/netfilter/nf_conntrack_l4proto.h, line 98 [usage...]