TYPEMAP
sg_error_details	    *   O_OBJECT
sg_host_info		    *   O_OBJECT
sg_cpu_stats		    *   O_OBJECT
sg_cpu_percents		    *   O_OBJECT
sg_mem_stats		    *   O_OBJECT
sg_load_stats		    *   O_OBJECT
sg_user_stats		    *   O_OBJECT
sg_swap_stats		    *   O_OBJECT
sg_fs_stats		    *   O_OBJECT
sg_disk_io_stats	    *   O_OBJECT
sg_network_io_stats	    *   O_OBJECT
sg_network_iface_stats      *   O_OBJECT
sg_page_stats		    *   O_OBJECT
sg_process_stats	    *	O_OBJECT
sg_process_count	    *   O_OBJECT

# older perls don't have these default typemaps
LUV			    T_UV
UV			    T_UV
NV			    T_NV

INPUT
O_OBJECT
    $var = ($type)SvIV((SV*)SvRV( $arg ));

OUTPUT
T_NV
    sv_setnv($arg, (NV)$var);

T_UV
    sv_setuv($arg, (UV)$var);