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.\" $FreeBSD: release/9.1.0/lib/libc/sys/modfind.2 108028 2002-12-18 09:22:32Z ru $
.\"
.Dd September 28, 2000
.Dt MODFIND 2
.Os
.Sh NAME
.Nm modfind
.Nd returns the modid of a kernel module
.Sh LIBRARY
.Lb libc
.Sh SYNOPSIS
.In sys/param.h
.In sys/module.h
.Ft int
.Fn modfind "const char *modname"
.Sh DESCRIPTION
The
.Fn modfind
system call
returns the modid of the kernel module referenced by
.Fa modname .
.Sh RETURN VALUES
The
.Fn modfind
system call
returns the modid of the kernel module referenced by
.Fa file .
Upon error,
.Fn modfind
returns -1 and sets
.Va errno
to indicate the error.
.Sh ERRORS
.Va errno
is set to the following if
.Fn modfind
fails:
.Bl -tag -width Er
.It Bq Er EFAULT
The data required for this operation could not be read from the kernel space.
.It Bq Er ENOENT
The file specified is not loaded in the kernel.
.El
.Sh SEE ALSO
.Xr kldfind 2 ,
.Xr kldfirstmod 2 ,
.Xr kldload 2 ,
.Xr kldnext 2 ,
.Xr kldstat 2 ,
.Xr kldsym 2 ,
.Xr kldunload 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 .