1.\" 2.\" Copyright (c) 1999 Chris Costello 3.\" All rights reserved. 4.\" 5.\" Redistribution and use in source and binary forms, with or without 6.\" modification, are permitted provided that the following conditions 7.\" are met: 8.\" 1. Redistributions of source code must retain the above copyright 9.\" notice, this list of conditions and the following disclaimer. 10.\" 2. Redistributions in binary form must reproduce the above copyright 11.\" notice, this list of conditions and the following disclaimer in the 12.\" documentation and/or other materials provided with the distribution. 13.\" 14.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17.\" ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24.\" SUCH DAMAGE. 25.\" 26.\" $FreeBSD: src/lib/libc/sys/modnext.2,v 1.1.2.4 2001/12/14 18:34:01 ru Exp $ 27.\" 28.Dd September 28, 2000 29.Dt MODNEXT 2 30.Os 31.Sh NAME 32.Nm modnext 33.Nd return the modid of the next kernel module 34.Sh LIBRARY 35.Lb libc 36.Sh SYNOPSIS 37.In sys/param.h 38.In sys/module.h 39.Ft int 40.Fn modnext "int modid" 41.Ft int 42.Fn modfnext "int modid" 43.Sh DESCRIPTION 44The function 45.Fn modnext 46returns the modid of the next kernel module (that is, the one after 47.Va modid ) 48or 0 if 49.Va modid 50is the last module in the list. 51.Pp 52If the 53.Va modid 54value is 0, then 55.Fn modnext 56will return the modid of the first module. 57.Fn modfnext 58must always be given a valid modid. 59.Sh RETURN VALUES 60.Fn modnext 61returns the modid of the next module (see DESCRIPTION) or 0. If an error 62occurs, 63.Va errno 64is set to indicate the error. 65.Sh ERRORS 66The only error set by 67.Fn modnext 68is 69.Er ENOENT , 70which is set when 71.Va modid 72refers to a kernel module that does not exist (isn't loaded). 73.Sh SEE ALSO 74.Xr kldfind 2 , 75.Xr kldfirstmod 2 , 76.Xr kldload 2 , 77.Xr kldnext 2 , 78.Xr kldstat 2 , 79.Xr kldsym 2 , 80.Xr kldunload 2 , 81.Xr modfind 2 , 82.Xr modstat 2 , 83.Xr kld 4 , 84.Xr kldstat 8 85.Sh HISTORY 86The 87.Nm kld 88interface first appeared in 89.Fx 3.0 . 90