1.\" -*- nroff -*- 2.\" 3.\" Copyright (c) 2001 M. Warner Losh <imp@FreeBSD.org> 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 DEVELOPERS ``AS IS'' AND ANY EXPRESS OR 15.\" IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16.\" OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17.\" IN NO EVENT SHALL THE DEVELOPERS BE LIABLE FOR ANY DIRECT, INDIRECT, 18.\" INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20.\" DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21.\" THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22.\" (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23.\" THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24.\" 25.\" $FreeBSD$ 26.\" 27.Dd March 1, 2001 28.Dt RESOURCE_INT_VALUE 9 29.Os 30.Sh NAME 31.Nm resource_int_value , resource_long_value , resource_string_value 32.Nd get a value from the hints mechanism 33.Sh SYNOPSIS 34.In sys/param.h 35.In sys/bus.h 36.Ft int 37.Fn resource_int_value "const char *name" "int unit" "const char *resname" "int *result" 38.Ft int 39.Fn resource_long_value "const char *name" "int unit" "const char *resname" "long *result" 40.Ft int 41.Fn resource_string_value "const char *name" "int unit" "const char *resname" "const char **result" 42.Sh DESCRIPTION 43These functions fetch a value from the 44.Dq hints 45mechanism. 46.Pp 47The functions take the following arguments: 48.Bl -tag -width "resname" 49.It Fa name 50The name of the device to get the resource value from. 51.It Fa unit 52The unit number of the device. 53\-1 is special and is used for wildcard entries. 54.It Fa resname 55The resource name. 56.It Fa result 57A pointer to memory in which to store the resource value. 58.El 59.Sh RETURN VALUES 60If successful, the functions return 0. 61Otherwise, a non\-zero error code is returned. 62.Sh ERRORS 63The functions will fail if: 64.Bl -tag -width Er 65.It Bq Er ENOENT 66The resource could not be found. 67.It Bq Er EFTYPE 68Inappropriate resource type. 69.El 70.Sh SEE ALSO 71.Xr device 9 , 72.Xr driver 9 73.Sh AUTHORS 74This manual page was written by 75.An Warner Losh Aq Mt imp@FreeBSD.org . 76