void sandbox_fs_close(void);
int sandbox_fs_ls(const char *dirname);
+int sandbox_fs_exists(const char *filename);
+int sandbox_fs_size(const char *filename);
int fs_read_sandbox(const char *filename, void *buf, int offset, int len);
+int fs_write_sandbox(const char *filename, void *buf, int offset, int len);
#endif