Function prototype or declaration at include/linux/skbuff.h, line 3273 References: drivers/net/ethernet/sun/sunvnet_common.c, line 1169 include/linux/skbuff.h, line 3273 net/core/skbuff.c, line 2546 net/core/skbuff.c, line 2613 net/core/skbuff.c, line 2628 net/core/skbuff.c, line 2771 net/core/skbuff.c, line 3643 net/ipv4/icmp.c, line 357 net/ipv4/ip_output.c, line 1008 net/ipv4/ip_output.c, line 1260 net/ipv4/tcp_output.c, line 2149 net/ipv6/icmp.c, line 303 net/ipv6/ip6_output.c, line 1454 net/sunrpc/socklib.c, line 57