420 typedef struct GNode {  struct
439 	GNodeType type;  argument
440 	GNodeFlags flags;  argument
443 	GNodeMade made;  argument
452 	struct GNode *youngestChild;  argument
459 	GNodeList implicitParents;  argument
465 	GNodeList parents;  argument
467 	GNodeList children;  argument
474 	GNodeList order_pred;  argument
480 	GNodeList order_succ;  argument
486 	GNodeList cohorts;  argument
495 	struct GNode *centurion;  argument
519 	/* Filename where the GNode got defined, unlimited lifetime */  argument
521 	/* Line number where the GNode got defined, 1-based */  argument
523 } GNode;  typedef