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

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.Dd March 1, 2001
.Dt RESOURCE_INT_VALUE 9
.Os FreeBSD
.Sh NAME
.Nm resource_int_value , resource_long_value , resource_string_value
.Nd get a value from the hints mechanism
.Sh SYNOPSIS
.Fd #include <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" "char **result"
.Sh DESCRIPTION
These functions fetch a value from the
.Dq hints
mechanism.
.Pp
The functions take the following arguments:
.Bl -tag -width "resname"
.It Fa name
The name of the device to get the resource value from.
.It Fa unit
The unit number of the device.
\-1 is special and is used for wildcard entries.
.It Fa resname
The resource name.
.It Fa result
A pointer to memory in which to store the resource value.
.El
.Sh RETURN VALUES
If successful, the functions return 0.
Otherwise, a non\-zero error code is returned.
.Sh ERRORS
The functions will fail if:
.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 ,
.Xr driver 9
.Sh AUTHORS
This manual page was written by
.An Warner Losh Aq imp@FreeBSD.org .