--- cngpij/cngpij/bjcups.c.orig	2013-07-17 11:33:45.000000000 +1000
+++ cngpij/cngpij/bjcups.c	2022-03-06 11:35:54.874000000 +1000
@@ -698,8 +698,8 @@
 	else {
 		pRequest = ippNew();
 		
-		pRequest->request.op.operation_id = CUPS_GET_PRINTERS;
-		pRequest->request.op.request_id   = 1;
+		ippSetOperation(pRequest, CUPS_GET_PRINTERS);
+		ippSetRequestId(pRequest, 1);
 		
 		pLanguage = bjcupsLangDefault();	// cupsLangDefault() -> bjcupsLangDefault() for cups-1.1.19
 		
@@ -708,29 +708,29 @@
 		ippAddString(pRequest, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, NULL);
 		
 		if ((pResponse = cupsDoRequest(pHTTP, pRequest, "/")) != NULL) {
-			if (pResponse->request.status.status_code > IPP_OK_CONFLICT) {
+			if (ippGetStatusCode(pResponse) > IPP_OK_CONFLICT) {
 				fputs("ERROR: IPP ERROR\n", stderr);
 				goto onErr;
 			}
 			else {
-				pAttribute = pResponse->attrs;
+				pAttribute = ippFirstAttribute(pResponse);
 
 				while (pAttribute != NULL) {
-					while (pAttribute != NULL && pAttribute->group_tag != IPP_TAG_PRINTER) {
-						pAttribute = pAttribute->next;
+					while (pAttribute != NULL && ippGetGroupTag(pAttribute) != IPP_TAG_PRINTER) {
+						pAttribute = ippNextAttribute(pResponse);
 					}
 					if (pAttribute == NULL) {
 						break;
 					}
 					
-					while (pAttribute != NULL && pAttribute->group_tag == IPP_TAG_PRINTER) {
-						if (strcmp(pAttribute->name, "printer-name") == 0 && pAttribute->value_tag == IPP_TAG_NAME) {
-							pPrinter = pAttribute->values[0].string.text;
+					while (pAttribute != NULL && ippGetGroupTag(pAttribute) == IPP_TAG_PRINTER) {
+						if (strcmp(ippGetName(pAttribute), "printer-name") == 0 && ippGetValueTag(pAttribute) == IPP_TAG_NAME) {
+							pPrinter = ippGetString(pAttribute, 0, NULL);
 						}
-						if (strcmp(pAttribute->name, "device-uri") == 0 && pAttribute->value_tag == IPP_TAG_URI) {
-							pDUri = pAttribute->values[0].string.text;
+						if (strcmp(ippGetName(pAttribute), "device-uri") == 0 && ippGetValueTag(pAttribute) == IPP_TAG_URI) {
+							pDUri = ippGetString(pAttribute, 0, NULL);
 						}
-						pAttribute = pAttribute->next;
+						pAttribute = ippNextAttribute(pResponse);
 					}
 
 					if (strcasecmp(pDestName, pPrinter) == 0) {
@@ -739,7 +739,7 @@
 					}
 					
 					if (pAttribute != NULL)
-						 pAttribute = pAttribute->next;
+						pAttribute = ippNextAttribute(pResponse);
 				}
 			}
 			
--- cngpijmnt/src/main.c.orig	2022-03-06 11:44:22.748000000 +1000
+++ cngpijmnt/src/main.c	2022-03-06 12:01:18.331000000 +1000
@@ -322,8 +322,8 @@
 	else {
 		pRequest = ippNew();
 		
-		pRequest->request.op.operation_id = CUPS_GET_PRINTERS;
-		pRequest->request.op.request_id   = 1;
+		ippSetOperation(pRequest, CUPS_GET_PRINTERS);
+		ippSetRequestId(pRequest, 1);
 		
 		pLanguage = bjcupsLangDefault();	// cupsLangDefault() -> bjcupsLangDefault() for cups-1.1.19
 		
@@ -332,29 +332,29 @@
 		ippAddString(pRequest, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, NULL);
 		
 		if ((pResponse = cupsDoRequest(pHTTP, pRequest, "/")) != NULL) {
-			if (pResponse->request.status.status_code > IPP_OK_CONFLICT) {
+			if (ippGetStatusCode(pResponse) > IPP_OK_CONFLICT) {
 				fputs("ERROR: IPP ERROR\n", stderr);
 				goto onErr;
 			}
 			else {
-				pAttribute = pResponse->attrs;
+				pAttribute = ippFirstAttribute(pResponse);
 
 				while (pAttribute != NULL) {
-					while (pAttribute != NULL && pAttribute->group_tag != IPP_TAG_PRINTER) {
-						pAttribute = pAttribute->next;
+					while (pAttribute != NULL && ippGetGroupTag(pAttribute) != IPP_TAG_PRINTER) {
+						pAttribute = ippNextAttribute(pResponse);
 					}
 					if (pAttribute == NULL) {
 						break;
 					}
 					
-					while (pAttribute != NULL && pAttribute->group_tag == IPP_TAG_PRINTER) {
-						if (strcmp(pAttribute->name, "printer-name") == 0 && pAttribute->value_tag == IPP_TAG_NAME) {
-							pPrinter = pAttribute->values[0].string.text;
+					while (pAttribute != NULL && ippGetGroupTag(pAttribute) == IPP_TAG_PRINTER) {
+						if (strcmp(ippGetName(pAttribute), "printer-name") == 0 && ippGetValueTag(pAttribute) == IPP_TAG_NAME) {
+							pPrinter = ippGetString(pAttribute, 0, NULL);
 						}
-						if (strcmp(pAttribute->name, "device-uri") == 0 && pAttribute->value_tag == IPP_TAG_URI) {
-							pDUri = pAttribute->values[0].string.text;
+						if (strcmp(ippGetName(pAttribute), "device-uri") == 0 && ippGetValueTag(pAttribute) == IPP_TAG_URI) {
+							pDUri = ippGetString(pAttribute, 0, NULL);
 						}
-						pAttribute = pAttribute->next;
+						pAttribute = ippNextAttribute(pResponse);
 					}
 
 					if (strcasecmp(pDestName, pPrinter) == 0) {
@@ -363,7 +363,7 @@
 					}
 					
 					if (pAttribute != NULL)
-						 pAttribute = pAttribute->next;
+						pAttribute = ippNextAttribute(pResponse);
 				}
 			}