- scm_c_define_gsubr ("add-file-archive!", 2, 0, 1, (scm_t_subr)irr_io_addFileArchive);
- scm_c_define_gsubr ("get-file-system", 1, 0, 0, (scm_t_subr)irr_getFileSystem);
- scm_c_export ("add-file-archive!", "get-file-system", NULL);
+ DEFINE_GSUBR ("add-file-archive!", 2, 0, 1, irr_io_addFileArchive);
+ DEFINE_GSUBR ("get-file-system", 1, 0, 0, irr_getFileSystem);