freebsd man page for resource_string_value

RESOURCE_INT_VALUE(9)					   BSD Kernel Developer's Manual				     RESOURCE_INT_VALUE(9)

NAME
     resource_int_value, resource_long_value, resource_string_value -- get a value from the hints mechanism

SYNOPSIS
     #include <sys/param.h>
     #include <sys/bus.h>

     int
     resource_int_value(const char *name, int unit, const char *resname, int *result);

     int
     resource_long_value(const char *name, int unit, const char *resname, long *result);

     int
     resource_string_value(const char *name, int unit, const char *resname, const char **result);

DESCRIPTION
     These functions fetch a value from the ``hints'' mechanism.

     The functions take the following arguments:

     name     The name of the device to get the resource value from.

     unit     The unit number of the device.  -1 is special and is used for wildcard entries.

     resname  The resource name.

     result   A pointer to memory in which to store the resource value.

RETURN VALUES
     If successful, the functions return 0.  Otherwise, a non-zero error code is returned.

ERRORS
     The functions will fail if:

     [ENOENT]		The resource could not be found.

     [EFTYPE]		Inappropriate resource type.

SEE ALSO
     device(9), driver(9)

AUTHORS
     This manual page was written by Warner Losh <imp@FreeBSD.org>.

BSD
								   March 1, 2001							       BSD