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-rw-r--r--winsup/cygwin/include/sys/termios.h3
1 files changed, 2 insertions, 1 deletions
diff --git a/winsup/cygwin/include/sys/termios.h b/winsup/cygwin/include/sys/termios.h
index fb6f3851b..4a39cbc6a 100644
--- a/winsup/cygwin/include/sys/termios.h
+++ b/winsup/cygwin/include/sys/termios.h
@@ -71,7 +71,8 @@ POSIX commands */
#define TIOCPKT_NOSTOP 16
#define TIOCPKT_DOSTOP 32
-#define FIONBIO 0x8004667e /* To be compatible with socket version */
+/* Compatible with asm/socket.h */
+#define FIONBIO 0x8004667e /* set/clear non-blocking i/o */
#define CTRL(ch) ((ch)&0x1F)