xref: /freebsd/share/man/man9/resource_int_value.9 (revision 59c8e88e72633afbc47a4ace0d2170d00d51f7dc)
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25.Dd March 1, 2001
26.Dt RESOURCE_INT_VALUE 9
27.Os
28.Sh NAME
29.Nm resource_int_value , resource_long_value , resource_string_value
30.Nd get a value from the hints mechanism
31.Sh SYNOPSIS
32.In sys/param.h
33.In sys/bus.h
34.Ft int
35.Fn resource_int_value "const char *name" "int unit" "const char *resname" "int *result"
36.Ft int
37.Fn resource_long_value "const char *name" "int unit" "const char *resname" "long *result"
38.Ft int
39.Fn resource_string_value "const char *name" "int unit" "const char *resname" "const char **result"
40.Sh DESCRIPTION
41These functions fetch a value from the
42.Dq hints
43mechanism.
44.Pp
45The functions take the following arguments:
46.Bl -tag -width "resname"
47.It Fa name
48The name of the device to get the resource value from.
49.It Fa unit
50The unit number of the device.
51\-1 is special and is used for wildcard entries.
52.It Fa resname
53The resource name.
54.It Fa result
55A pointer to memory in which to store the resource value.
56.El
57.Sh RETURN VALUES
58If successful, the functions return 0.
59Otherwise, a non\-zero error code is returned.
60.Sh ERRORS
61The functions will fail if:
62.Bl -tag -width Er
63.It Bq Er ENOENT
64The resource could not be found.
65.It Bq Er EFTYPE
66Inappropriate resource type.
67.El
68.Sh SEE ALSO
69.Xr device 9 ,
70.Xr driver 9
71.Sh AUTHORS
72This manual page was written by
73.An Warner Losh Aq Mt imp@FreeBSD.org .
74