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-rw-r--r--include/netinet/in.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/include/netinet/in.h b/include/netinet/in.h
index 509640b8..62cbfa8d 100644
--- a/include/netinet/in.h
+++ b/include/netinet/in.h
@@ -95,6 +95,7 @@ uint16_t ntohs(uint16_t);
#define IPPROTO_PIM 103
#define IPPROTO_COMP 108
#define IPPROTO_RAW 255
+#define IPPROTO_MAX 256
#define IN6_IS_ADDR_UNSPECIFIED(a) \
(((uint32_t *) (a))[0] == 0 && ((uint32_t *) (a))[1] == 0 && \