.\" to EXAMPLE text.
.\" 2008-10-10, mtk: add description of pipe2()
.\"
-.TH PIPE 2 2009-09-15 "Linux" "Linux Programmer's Manual"
+.TH PIPE 2 2010-09-10 "Linux" "Linux Programmer's Manual"
.SH NAME
pipe, pipe2 \- create pipe
.SH SYNOPSIS
.sp
.BI "int pipe(int " pipefd "[2]);"
.sp
-.B #define _GNU_SOURCE
+.BR "#define _GNU_SOURCE" " /* See feature_test_macros(7) */"
.B #include <unistd.h>
.sp
.BI "int pipe2(int " pipefd "[2], int " flags );