1.\" Copyright (c) 1980, 1991, 1993 2.\" The Regents of the University of California. All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. 9.\" 2. Redistributions in binary form must reproduce the above copyright 10.\" notice, this list of conditions and the following disclaimer in the 11.\" documentation and/or other materials provided with the distribution. 12.\" 3. Neither the name of the University nor the names of its contributors 13.\" may be used to endorse or promote products derived from this software 14.\" without specific prior written permission. 15.\" 16.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" @(#)nlist.3 8.3 (Berkeley) 4/19/94 29.\" 30.Dd April 19, 1994 31.Dt NLIST 3 32.Os 33.Sh NAME 34.Nm nlist 35.Nd retrieve symbol table name list from an executable file 36.Sh LIBRARY 37.Lb libc 38.Sh SYNOPSIS 39.In nlist.h 40.Ft int 41.Fn nlist "const char *filename" "struct nlist *nl" 42.Sh DESCRIPTION 43The 44.Fn nlist 45function 46retrieves name list entries from the symbol table of an 47executable file (see 48.Xr a.out 5 ) . 49The argument 50.Fa \&nl 51is set to reference the 52beginning of the list. 53The list is preened of binary and invalid data; 54if an entry in the 55name list is valid, the 56.Fa n_type 57and 58.Fa n_value 59for the entry are copied into the list 60referenced by 61.Fa \&nl . 62No other data is copied. 63The last entry in the list is always 64.Dv NULL . 65.Sh RETURN VALUES 66The number of invalid entries is returned if successful; otherwise, 67if the file 68.Fa filename 69does not exist or is not executable, the returned value is \-1. 70.Sh SEE ALSO 71.Xr elf 5 72.Sh HISTORY 73A 74.Fn nlist 75function appeared in 76.At v6 . 77