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+.\" Copyright (c) 1980, 1991, 1993
+.\"	The Regents of the University of California.  All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\" 3. All advertising materials mentioning features or use of this software
+.\"    must display the following acknowledgement:
+.\"	This product includes software developed by the University of
+.\"	California, Berkeley and its contributors.
+.\" 4. Neither the name of the University nor the names of its contributors
+.\"    may be used to endorse or promote products derived from this software
+.\"    without specific prior written permission.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\"     @(#)nlist.3	8.3 (Berkeley) 4/19/94
+.\"
+.Dd April 19, 1994
+.Dt NLIST 3
+.Os BSD 4
+.Sh NAME
+.Nm nlist
+.Nd retrieve symbol table name list from an executable file
+.Sh SYNOPSIS
+.Fd #include <nlist.h>
+.Ft int
+.Fn nlist "const char *filename" "struct nlist *nl"
+.Sh DESCRIPTION
+The
+.Fn nlist
+function
+retrieves name list entries from the symbol table of an
+executable file. (See
+.Xr a.out 5 . )
+The argument
+.Fa \&nl
+is set to reference the
+beginning of the list.
+The list is preened of binary and invalid data;
+if an entry in the
+name list is valid, the
+.Fa n_type
+and
+.Fa n_value
+for the entry are copied into the list
+referenced by
+.Fa \&nl .
+No other data is copied.
+The last entry in the list is always
+.Dv NULL .
+.Sh RETURN VALUES
+The number of invalid entries is returned if successful; otherwise,
+if the file
+.Fa filename
+does not exist or is not executable, the returned value is \-1.
+.Sh SEE ALSO
+.Xr a.out 5
+.Sh HISTORY
+A
+.Fn nlist
+function appeared in
+.At v6 .