freebsd-skq/share/man/man9/resource_int_value.9

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.\" -*- nroff -*-
.\"
.\" Copyright (c) 2001 M. Warner Losh
.\"
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.Dd March 1, 2001
.Dt RESOURCE_INT_VALUE 9
.Os
.Sh NAME
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.Nm resource_int_value , resource_long_value , resource_string_value
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.Nd get a value from the hints mechanism
.Sh SYNOPSIS
.In sys/param.h
.In sys/bus.h
.Ft int
.Fn resource_int_value "const char *name" "int unit" "const char *resname" "int *result"
.Ft int
.Fn resource_long_value "const char *name" "int unit" "const char *resname" "long *result"
.Ft int
.Fn resource_string_value "const char *name" "int unit" "const char *resname" "const char **result"
.Sh DESCRIPTION
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These functions fetch a value from the
.Dq hints
mechanism.
.Pp
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The functions take the following arguments:
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.Bl -tag -width "resname"
.It Fa name
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The name of the device to get the resource value from.
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.It Fa unit
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The unit number of the device.
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\-1 is special and is used for wildcard entries.
.It Fa resname
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The resource name.
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.It Fa result
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A pointer to memory in which to store the resource value.
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.El
.Sh RETURN VALUES
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If successful, the functions return 0.
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Otherwise, a non\-zero error code is returned.
.Sh ERRORS
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The functions will fail if:
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.Bl -tag -width Er
.It Bq Er ENOENT
The resource could not be found.
.It Bq Er EFTYPE
Inappropriate resource type.
.El
.Sh SEE ALSO
.Xr device 9 ,
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.Xr driver 9
.Sh AUTHORS
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This manual page was written by
.An Warner Losh Aq Mt imp@FreeBSD.org .