cfg_endian
cfg_long
cfg_parse
cfg_string
gbhw_ch
gbhw_pause
gbhw_setbuffer
gbhw_setcallback
gbhw_setiocallback
gbhw_setstepcallback
gbhw_setfilter
gbhw_setrate
gbhw_io_peek
gbs_close
gbs_init
gbs_open
gbs_printinfo
gbs_set_nextsubsong_cb
gbs_step
gbs_write
get_userconfig