213 		return BLOCK_NIL;  in INFTL_findfreeblock()
229 			return BLOCK_NIL;  in INFTL_findfreeblock()
233 	return BLOCK_NIL;  in INFTL_findfreeblock()
255 	if (thisEUN == BLOCK_NIL) {  in INFTL_foldchain()
258 		return BLOCK_NIL;  in INFTL_foldchain()
268 			if ((BlockMap[block] != BLOCK_NIL) ||  in INFTL_foldchain()
300 			return BLOCK_NIL;  in INFTL_foldchain()
330 		if (BlockMap[block] == BLOCK_NIL)  in INFTL_foldchain()
366 		prevEUN = BLOCK_NIL;  in INFTL_foldchain()
367 		while (inftl->PUtable[thisEUN] != BLOCK_NIL) {  in INFTL_foldchain()
377 		inftl->PUtable[prevEUN] = BLOCK_NIL;  in INFTL_foldchain()
441 		return BLOCK_NIL;  in INFTL_makefreeblock()
480 		writeEUN = BLOCK_NIL;  in INFTL_findwriteunit()
513 				return BLOCK_NIL;  in INFTL_findwriteunit()
521 		if (writeEUN != BLOCK_NIL)  in INFTL_findwriteunit()
531 		if (writeEUN == BLOCK_NIL) {  in INFTL_findwriteunit()
547 			if (writeEUN == BLOCK_NIL) {  in INFTL_findwriteunit()
561 				return BLOCK_NIL;  in INFTL_findwriteunit()
572 		if (thisEUN != BLOCK_NIL) {  in INFTL_findwriteunit()
619 	return BLOCK_NIL;  in INFTL_findwriteunit()
642 	if (thisEUN == BLOCK_NIL) {  in INFTL_trydeletechain()
706 		if (thisEUN == BLOCK_NIL) {  in INFTL_trydeletechain()
712 		while (inftl->PUtable[thisEUN] != BLOCK_NIL) {  in INFTL_trydeletechain()
734 		*prevEUN = BLOCK_NIL;  in INFTL_trydeletechain()
742 	inftl->VUtable[thisVUC] = BLOCK_NIL;  in INFTL_trydeletechain()
770 			thisEUN = BLOCK_NIL;  in INFTL_deleteblock()
791 	if (thisEUN != BLOCK_NIL) {  in INFTL_deleteblock()
825 		if (writeEUN == BLOCK_NIL) {  in inftl_writeblock()
876 			thisEUN = BLOCK_NIL;  in inftl_readblock()
901 	if (thisEUN == BLOCK_NIL) {  in inftl_readblock()