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>.