call to identify the module.
.Pp
.Fa data
is a pointer to the
is a
.Vt moduledata_t
structure, which contains two main items, the official name of the
module name, which will be used in the
.Fn SYSINIT
macro.
Valid values for this are contained in the
.Vt sysstem_sub_id
.Vt sysinit_sub_id
enumeration
(see
.Pa kernel.h )