226 		return BLOCK_NIL;  in INFTL_findfreeblock()
242 			return BLOCK_NIL;  in INFTL_findfreeblock()
246 	return BLOCK_NIL;  in INFTL_findfreeblock()
268 	if (thisEUN == BLOCK_NIL) {  in INFTL_foldchain()
271 		return BLOCK_NIL;  in INFTL_foldchain()
281 			if ((BlockMap[block] != BLOCK_NIL) ||  in INFTL_foldchain()
313 			return BLOCK_NIL;  in INFTL_foldchain()
343 		if (BlockMap[block] == BLOCK_NIL)  in INFTL_foldchain()
379 		prevEUN = BLOCK_NIL;  in INFTL_foldchain()
380 		while (inftl->PUtable[thisEUN] != BLOCK_NIL) {  in INFTL_foldchain()
390 		inftl->PUtable[prevEUN] = BLOCK_NIL;  in INFTL_foldchain()
454 		return BLOCK_NIL;  in INFTL_makefreeblock()
493 		writeEUN = BLOCK_NIL;  in INFTL_findwriteunit()
526 				return BLOCK_NIL;  in INFTL_findwriteunit()
534 		if (writeEUN != BLOCK_NIL)  in INFTL_findwriteunit()
544 		if (writeEUN == BLOCK_NIL) {  in INFTL_findwriteunit()
560 			if (writeEUN == BLOCK_NIL) {  in INFTL_findwriteunit()
574 				return BLOCK_NIL;  in INFTL_findwriteunit()
585 		if (thisEUN != BLOCK_NIL) {  in INFTL_findwriteunit()
632 	return BLOCK_NIL;  in INFTL_findwriteunit()
655 	if (thisEUN == BLOCK_NIL) {  in INFTL_trydeletechain()
719 		if (thisEUN == BLOCK_NIL) {  in INFTL_trydeletechain()
725 		while (inftl->PUtable[thisEUN] != BLOCK_NIL) {  in INFTL_trydeletechain()
747 		*prevEUN = BLOCK_NIL;  in INFTL_trydeletechain()
755 	inftl->VUtable[thisVUC] = BLOCK_NIL;  in INFTL_trydeletechain()
783 			thisEUN = BLOCK_NIL;  in INFTL_deleteblock()
804 	if (thisEUN != BLOCK_NIL) {  in INFTL_deleteblock()
838 		if (writeEUN == BLOCK_NIL) {  in inftl_writeblock()
889 			thisEUN = BLOCK_NIL;  in inftl_readblock()
914 	if (thisEUN == BLOCK_NIL) {  in inftl_readblock()