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.\" $FreeBSD$ 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 45.Fn modnext 46system call 47returns the modid of the next kernel module (that is, the one after 48.Va modid ) 49or 0 if 50.Va modid 51is the last module in the list. 52.Pp 53If the 54.Va modid 55value is 0, then 56.Fn modnext 57will return the modid of the first module. 58The 59.Fn modfnext 60system call 61must always be given a valid modid. 62.Sh RETURN VALUES 63The 64.Fn modnext 65system call 66returns the modid of the next module (see 67.Sx DESCRIPTION ) 68or 0. 69If an error 70occurs, 71.Va errno 72is set to indicate the error. 73.Sh ERRORS 74The only error set by 75.Fn modnext 76is 77.Er ENOENT , 78which is set when 79.Va modid 80refers to a kernel module that does not exist (is not loaded). 81.Sh SEE ALSO 82.Xr kldfind 2 , 83.Xr kldfirstmod 2 , 84.Xr kldload 2 , 85.Xr kldnext 2 , 86.Xr kldstat 2 , 87.Xr kldsym 2 , 88.Xr kldunload 2 , 89.Xr modfind 2 , 90.Xr modstat 2 , 91.Xr kld 4 , 92.Xr kldstat 8 93.Sh HISTORY 94The 95.Nm kld 96interface first appeared in 97.Fx 3.0 . 98