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-rw-r--r--sysdeps/gnu/netinet/tcp.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/sysdeps/gnu/netinet/tcp.h b/sysdeps/gnu/netinet/tcp.h
index 076e332c18..87099ec14a 100644
--- a/sysdeps/gnu/netinet/tcp.h
+++ b/sysdeps/gnu/netinet/tcp.h
@@ -48,6 +48,7 @@
#define TCP_DEFER_ACCEPT 9 /* Wake up listener only when data arrive */
#define TCP_WINDOW_CLAMP 10 /* Bound advertised window */
#define TCP_INFO 11 /* Information about this connection. */
+#define TCP_QUICKACK 12 /* Bock/reenable quick ACKs. */
#ifdef __USE_MISC
# include <sys/types.h>