MKISOFS_PATH
if (access(MKISOFS_PATH, X_OK) != 0) {
"-path-list \"%s\" 2>&1", MKISOFS_PATH, MKISO_PARAMS, bootblk,
"%s\" \"%s\" 2>&1", MKISOFS_PATH, next_session, archive,
"2>&1", MKISOFS_PATH, MKISO_PARAMS, tempname, update_dir);