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.Dd April 19, 1994 29.Dt NLIST 3 30.Os 31.Sh NAME 32.Nm nlist 33.Nd retrieve symbol table name list from an executable file 34.Sh LIBRARY 35.Lb libc 36.Sh SYNOPSIS 37.In nlist.h 38.Ft int 39.Fn nlist "const char *filename" "struct nlist *nl" 40.Sh DESCRIPTION 41The 42.Fn nlist 43function 44retrieves name list entries from the symbol table of an 45executable file (see 46.Xr a.out 5 ) . 47The argument 48.Fa \&nl 49is set to reference the 50beginning of the list. 51The list is preened of binary and invalid data; 52if an entry in the 53name list is valid, the 54.Fa n_type 55and 56.Fa n_value 57for the entry are copied into the list 58referenced by 59.Fa \&nl . 60No other data is copied. 61The last entry in the list is always 62.Dv NULL . 63.Sh RETURN VALUES 64The number of invalid entries is returned if successful; otherwise, 65if the file 66.Fa filename 67does not exist or is not executable, the returned value is \-1. 68.Sh SEE ALSO 69.Xr elf 5 70.Sh HISTORY 71A 72.Fn nlist 73function appeared in 74.At v6 . 75