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.\" $FreeBSD: release/9.1.0/lib/libc/sys/kldnext.2 162385 2006-09-17 21:27:35Z ru $
.\"
.Dd February 22, 2006
.Dt KLDNEXT 2
.Os
.Sh NAME
.Nm kldnext
.Nd return the fileid of the next kld file
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/param.h
.In sys/linker.h
.Ft int
.Fn kldnext "int fileid"
.Sh DESCRIPTION
The
.Fn kldnext
system call
returns the fileid of the next kld file (that is, the one after
.Fa fileid )
or 0 if
.Fa fileid
is the last file loaded.
To get the fileid of the first kld file, pass
.Fa fileid
of 0 to
.Fn kldnext .
.Sh RETURN VALUES
The
.Fn kldnext
system call
returns the fileid of the next kld file or 0 if successful.
Otherwise
.Fn kldnext
returns the value \-1 and sets the global variable
.Va errno
to indicate the error.
.Sh ERRORS
The only error set by
.Fn kldnext
is
.Er ENOENT ,
which is set when
.Fa fileid
refers to a kld file that does not exist (is not loaded).
.Sh SEE ALSO
.Xr kldfind 2 ,
.Xr kldfirstmod 2 ,
.Xr kldload 2 ,
.Xr kldstat 2 ,
.Xr kldsym 2 ,
.Xr kldunload 2 ,
.Xr modfind 2 ,
.Xr modfnext 2 ,
.Xr modnext 2 ,
.Xr modstat 2 ,
.Xr kld 4 ,
.Xr kldstat 8
.Sh HISTORY
The
.Nm kld
interface first appeared in
.Fx 3.0 .