#define ANY_TOKEN "/any/"
#define ALL_TOKEN "/all/"
+#define IS_ANY(str) (((str) != NULL) && (strcasecmp (ANY_TOKEN, (str)) == 0))
+#define IS_ALL(str) (((str) != NULL) && (strcasecmp (ALL_TOKEN, (str)) == 0))
+
struct graph_ident_s;
typedef struct graph_ident_s graph_ident_t;