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-rw-r--r--man2/pipe.24
1 files changed, 4 insertions, 0 deletions
diff --git a/man2/pipe.2 b/man2/pipe.2
index a5ed2ea0b..7f1a1d074 100644
--- a/man2/pipe.2
+++ b/man2/pipe.2
@@ -98,6 +98,10 @@ Writes of greater than
bytes (see
.BR pipe (7))
will be split into multiple packets.
+The constant
+.BR PIPE_BUF
+is defined in
+.IR <limits.h> .
.IP *
If a
.BR read (2)