typedef int (*fs_ident_cb_t) (const graph_ident_t *ident, void *user_data);
int fs_scan (fs_ident_cb_t callback, void *user_data);
typedef int (*fs_ident_cb_t) (const graph_ident_t *ident, void *user_data);
int fs_scan (fs_ident_cb_t callback, void *user_data);