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.\" $DragonFly: src/lib/libc/sys/modnext.2,v 1.3 2007/02/25 18:35:05 swildner Exp $ 28.\" 29.Dd September 28, 2000 30.Dt MODNEXT 2 31.Os 32.Sh NAME 33.Nm modnext , 34.Nm modfnext 35.Nd return the modid of the next kernel module 36.Sh LIBRARY 37.Lb libc 38.Sh SYNOPSIS 39.In sys/param.h 40.In sys/module.h 41.Ft int 42.Fn modnext "int modid" 43.Ft int 44.Fn modfnext "int modid" 45.Sh DESCRIPTION 46The function 47.Fn modnext 48returns the modid of the next kernel module (that is, the one after 49.Va modid ) 50or 0 if 51.Va modid 52is the last module in the list. 53.Pp 54If the 55.Va modid 56value is 0, then 57.Fn modnext 58will return the modid of the first module. 59.Fn modfnext 60must always be given a valid modid. 61.Sh RETURN VALUES 62.Fn modnext 63returns the modid of the next module (see DESCRIPTION) or 0. If an error 64occurs, 65.Va errno 66is set to indicate the error. 67.Sh ERRORS 68The only error set by 69.Fn modnext 70is 71.Er ENOENT , 72which is set when 73.Va modid 74refers to a kernel module that does not exist (isn't loaded). 75.Sh SEE ALSO 76.Xr kldfind 2 , 77.Xr kldfirstmod 2 , 78.Xr kldload 2 , 79.Xr kldnext 2 , 80.Xr kldstat 2 , 81.Xr kldsym 2 , 82.Xr kldunload 2 , 83.Xr modfind 2 , 84.Xr modstat 2 , 85.Xr kld 4 , 86.Xr kldstat 8 87.Sh HISTORY 88The 89.Nm kld 90interface first appeared in 91.Fx 3.0 . 92