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	.\"			.\"
	.Dd December 1, 2017			.Dd December 1, 2017
	.Dt DUP 2			.Dt DUP 2
	.Os			.Os
	.Sh NAME			.Sh NAME
	.Nm dup ,			.Nm dup ,
	.Nm dup2			.Nm dup2
	.Nd duplicate an existing file descriptor			.Nd duplicate an existing file descriptor
	.Sh LIBRARY
	.Lb libc
	.Sh SYNOPSIS			.Sh SYNOPSIS
				.Lb libc
	.In unistd.h			.In unistd.h
	.Ft int			.Ft int
	.Fn dup "int oldd"			.Fn dup "int oldd"
	.Ft int			.Ft int
	.Fn dup2 "int oldd" "int newd"			.Fn dup2 "int oldd" "int newd"
	.Sh DESCRIPTION			.Sh DESCRIPTION
	The			The
	.Fn dup			.Fn dup
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