1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 2001 M. Warner Losh 4.\" 5.\" All rights reserved. 6.\" 7.\" This program is free software. 8.\" 9.\" Redistribution and use in source and binary forms, with or without 10.\" modification, are permitted provided that the following conditions 11.\" are met: 12.\" 1. Redistributions of source code must retain the above copyright 13.\" notice, this list of conditions and the following disclaimer. 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in the 16.\" documentation and/or other materials provided with the distribution. 17.\" 18.\" THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 19.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 20.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 21.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 22.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 23.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 24.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 25.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 26.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 27.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 28.\" 29.\" $FreeBSD$ 30.\" 31.Dd March 1, 2001 32.Dt RESOURCE_INT_VALUE 9 33.Os 34.Sh NAME 35.Nm resource_int_value , resource_long_value , resource_string_value 36.Nd get a value from the hints mechanism 37.Sh SYNOPSIS 38.In sys/param.h 39.In sys/bus.h 40.Ft int 41.Fn resource_int_value "const char *name" "int unit" "const char *resname" "int *result" 42.Ft int 43.Fn resource_long_value "const char *name" "int unit" "const char *resname" "long *result" 44.Ft int 45.Fn resource_string_value "const char *name" "int unit" "const char *resname" "const char **result" 46.Sh DESCRIPTION 47These functions fetch a value from the 48.Dq hints 49mechanism. 50.Pp 51The functions take the following arguments: 52.Bl -tag -width "resname" 53.It Fa name 54The name of the device to get the resource value from. 55.It Fa unit 56The unit number of the device. 57\-1 is special and is used for wildcard entries. 58.It Fa resname 59The resource name. 60.It Fa result 61A pointer to memory in which to store the resource value. 62.El 63.Sh RETURN VALUES 64If successful, the functions return 0. 65Otherwise, a non\-zero error code is returned. 66.Sh ERRORS 67The functions will fail if: 68.Bl -tag -width Er 69.It Bq Er ENOENT 70The resource could not be found. 71.It Bq Er EFTYPE 72Inappropriate resource type. 73.El 74.Sh SEE ALSO 75.Xr device 9 , 76.Xr driver 9 77.Sh AUTHORS 78This manual page was written by 79.An Warner Losh Aq Mt imp@FreeBSD.org . 80