Cups v2.2.0 am: 25aee82d49 am: 1fddbe83fe

am: 8bc70f8a21

Change-Id: Iec2c34b9e0466bf0c10012d39f4c85bad945040f

1 files changed, 1035 insertions, 0 deletions

diff --git a/cups/ipp.h b/cups/ipp.h
new file mode 100644
index 00000000..84585a27
--- /dev/null
+++ b/cups/ipp.h
@@ -0,0 +1,1035 @@
+/*
+ * Internet Printing Protocol definitions for CUPS.
+ *
+ * Copyright 2007-2014 by Apple Inc.
+ * Copyright 1997-2006 by Easy Software Products.
+ *
+ * These coded instructions, statements, and computer programs are the
+ * property of Apple Inc. and are protected by Federal copyright
+ * law.  Distribution and use rights are outlined in the file "LICENSE.txt"
+ * which should have been included with this file.  If this file is
+ * file is missing or damaged, see the license at "http://www.cups.org/".
+ *
+ * This file is subject to the Apple OS-Developed Software exception.
+ */
+
+#ifndef _CUPS_IPP_H_
+#  define _CUPS_IPP_H_
+
+/*
+ * Include necessary headers...
+ */
+
+#  include "http.h"
+#  include <stdarg.h>
+
+
+/*
+ * C++ magic...
+ */
+
+#  ifdef __cplusplus
+extern "C" {
+#  endif /* __cplusplus */
+
+
+/*
+ * IPP version string...
+ */
+
+#  define IPP_VERSION		"\002\001"
+
+/*
+ * IPP registered port number...
+ *
+ * Note: Applications should never use IPP_PORT, but instead use the
+ * ippPort() function to allow overrides via the IPP_PORT environment
+ * variable and services file if needed!
+ */
+
+#  define IPP_PORT		631
+
+/*
+ * Common limits...
+ */
+
+#  define IPP_MAX_CHARSET	64	/* Maximum length of charset values w/nul */
+#  define IPP_MAX_KEYWORD	256	/* Maximum length of keyword values w/nul */
+#  define IPP_MAX_LANGUAGE	64	/* Maximum length of naturalLanguage values w/nul */
+#  define IPP_MAX_LENGTH	32767	/* Maximum size of any single value */
+#  define IPP_MAX_MIMETYPE	256	/* Maximum length of mimeMediaType values w/nul */
+#  define IPP_MAX_NAME		256	/* Maximum length of common name values w/nul */
+#  define IPP_MAX_OCTETSTRING	1023	/* Maximum length of octetString values w/o nul */
+#  define IPP_MAX_TEXT		1024	/* Maximum length of text values w/nul */
+#  define IPP_MAX_URI		1024	/* Maximum length of uri values w/nul */
+#  define IPP_MAX_URISCHEME	64	/* Maximum length of uriScheme values w/nul */
+#  define IPP_MAX_VALUES	8	/* Power-of-2 allocation increment */
+
+/*
+ * Macro to flag a text string attribute as "const" (static storage) vs.
+ * allocated.
+ */
+
+#  define IPP_CONST_TAG(x) (ipp_tag_t)(IPP_TAG_CUPS_CONST | (x))
+
+
+/*
+ * Types and structures...
+ */
+
+typedef enum ipp_dstate_e		/**** Document states ****/
+{
+  IPP_DOCUMENT_PENDING = 3,		/* Document is pending */
+  IPP_DOCUMENT_PROCESSING = 5,		/* Document is processing */
+  IPP_DOCUMENT_CANCELED = 7,		/* Document is canceled */
+  IPP_DOCUMENT_ABORTED,			/* Document is aborted */
+  IPP_DOCUMENT_COMPLETED		/* Document is completed */
+
+#  ifndef _CUPS_NO_DEPRECATED
+#    define IPP_DOCUMENT_PENDING	IPP_DSTATE_PENDING
+#    define IPP_DOCUMENT_PROCESSING	IPP_DSTATE_PROCESSING
+#    define IPP_DOCUMENT_CANCELED	IPP_DSTATE_CANCELED
+#    define IPP_DOCUMENT_ABORTED	IPP_DSTATE_ABORTED
+#    define IPP_DOCUMENT_COMPLETED	IPP_DSTATE_COMPLETED
+#  endif /* !_CUPS_NO_DEPRECATED */
+} ipp_dstate_t;
+
+typedef enum ipp_finishings_e		/**** Finishings ****/
+{
+  IPP_FINISHINGS_NONE = 3,		/* No finishing */
+  IPP_FINISHINGS_STAPLE,		/* Staple (any location) */
+  IPP_FINISHINGS_PUNCH,			/* Punch (any location/count) */
+  IPP_FINISHINGS_COVER,			/* Add cover */
+  IPP_FINISHINGS_BIND,			/* Bind */
+  IPP_FINISHINGS_SADDLE_STITCH,		/* Staple interior */
+  IPP_FINISHINGS_EDGE_STITCH,		/* Stitch along any side */
+  IPP_FINISHINGS_FOLD,			/* Fold (any type) */
+  IPP_FINISHINGS_TRIM,			/* Trim (any type) */
+  IPP_FINISHINGS_BALE,			/* Bale (any type) */
+  IPP_FINISHINGS_BOOKLET_MAKER,		/* Fold to make booklet */
+  IPP_FINISHINGS_JOG_OFFSET,		/* Offset for binding (any type) */
+  IPP_FINISHINGS_COAT,			/* Apply protective liquid or powder coating */
+  IPP_FINISHINGS_LAMINATE,		/* Apply protective (solid) material */
+  IPP_FINISHINGS_STAPLE_TOP_LEFT = 20,	/* Staple top left corner */
+  IPP_FINISHINGS_STAPLE_BOTTOM_LEFT,	/* Staple bottom left corner */
+  IPP_FINISHINGS_STAPLE_TOP_RIGHT,	/* Staple top right corner */
+  IPP_FINISHINGS_STAPLE_BOTTOM_RIGHT,	/* Staple bottom right corner */
+  IPP_FINISHINGS_EDGE_STITCH_LEFT,	/* Stitch along left side */
+  IPP_FINISHINGS_EDGE_STITCH_TOP,	/* Stitch along top edge */
+  IPP_FINISHINGS_EDGE_STITCH_RIGHT,	/* Stitch along right side */
+  IPP_FINISHINGS_EDGE_STITCH_BOTTOM,	/* Stitch along bottom edge */
+  IPP_FINISHINGS_STAPLE_DUAL_LEFT,	/* Two staples on left */
+  IPP_FINISHINGS_STAPLE_DUAL_TOP,	/* Two staples on top */
+  IPP_FINISHINGS_STAPLE_DUAL_RIGHT,	/* Two staples on right */
+  IPP_FINISHINGS_STAPLE_DUAL_BOTTOM,	/* Two staples on bottom */
+  IPP_FINISHINGS_STAPLE_TRIPLE_LEFT,	/* Three staples on left */
+  IPP_FINISHINGS_STAPLE_TRIPLE_TOP,	/* Three staples on top */
+  IPP_FINISHINGS_STAPLE_TRIPLE_RIGHT,	/* Three staples on right */
+  IPP_FINISHINGS_STAPLE_TRIPLE_BOTTOM,	/* Three staples on bottom */
+  IPP_FINISHINGS_BIND_LEFT = 50,	/* Bind on left */
+  IPP_FINISHINGS_BIND_TOP,		/* Bind on top */
+  IPP_FINISHINGS_BIND_RIGHT,		/* Bind on right */
+  IPP_FINISHINGS_BIND_BOTTOM,		/* Bind on bottom */
+  IPP_FINISHINGS_TRIM_AFTER_PAGES = 60,	/* Trim output after each page */
+  IPP_FINISHINGS_TRIM_AFTER_DOCUMENTS,	/* Trim output after each document */
+  IPP_FINISHINGS_TRIM_AFTER_COPIES,	/* Trim output after each copy */
+  IPP_FINISHINGS_TRIM_AFTER_JOB,	/* Trim output after job */
+  IPP_FINISHINGS_PUNCH_TOP_LEFT = 70,	/* Punch 1 hole top left */
+  IPP_FINISHINGS_PUNCH_BOTTOM_LEFT,	/* Punch 1 hole bottom left */
+  IPP_FINISHINGS_PUNCH_TOP_RIGHT,	/* Punch 1 hole top right */
+  IPP_FINISHINGS_PUNCH_BOTTOM_RIGHT,	/* Punch 1 hole bottom right */
+  IPP_FINISHINGS_PUNCH_DUAL_LEFT,	/* Punch 2 holes left side */
+  IPP_FINISHINGS_PUNCH_DUAL_TOP,	/* Punch 2 holes top edge */
+  IPP_FINISHINGS_PUNCH_DUAL_RIGHT,	/* Punch 2 holes right side */
+  IPP_FINISHINGS_PUNCH_DUAL_BOTTOM,	/* Punch 2 holes bottom edge */
+  IPP_FINISHINGS_PUNCH_TRIPLE_LEFT,	/* Punch 3 holes left side */
+  IPP_FINISHINGS_PUNCH_TRIPLE_TOP,	/* Punch 3 holes top edge */
+  IPP_FINISHINGS_PUNCH_TRIPLE_RIGHT,	/* Punch 3 holes right side */
+  IPP_FINISHINGS_PUNCH_TRIPLE_BOTTOM,	/* Punch 3 holes bottom edge */
+  IPP_FINISHINGS_PUNCH_QUAD_LEFT,	/* Punch 4 holes left side */
+  IPP_FINISHINGS_PUNCH_QUAD_TOP,	/* Punch 4 holes top edge */
+  IPP_FINISHINGS_PUNCH_QUAD_RIGHT,	/* Punch 4 holes right side */
+  IPP_FINISHINGS_PUNCH_QUAD_BOTTOM,	/* Punch 4 holes bottom edge */
+  IPP_FINISHINGS_FOLD_ACCORDIAN = 90,	/* Accordian-fold the paper vertically into four sections */
+  IPP_FINISHINGS_FOLD_DOUBLE_GATE,	/* Fold the top and bottom quarters of the paper towards the midline, then fold in half vertically */
+  IPP_FINISHINGS_FOLD_GATE,		/* Fold the top and bottom quarters of the paper towards the midline */
+  IPP_FINISHINGS_FOLD_HALF,		/* Fold the paper in half vertically */
+  IPP_FINISHINGS_FOLD_HALF_Z,		/* Fold the paper in half horizontally, then Z-fold the paper vertically */
+  IPP_FINISHINGS_FOLD_LEFT_GATE,	/* Fold the top quarter of the paper towards the midline */
+  IPP_FINISHINGS_FOLD_LETTER,		/* Fold the paper into three sections vertically; sometimes also known as a C fold*/
+  IPP_FINISHINGS_FOLD_PARALLEL,		/* Fold the paper in half vertically two times, yielding four sections */
+  IPP_FINISHINGS_FOLD_POSTER,		/* Fold the paper in half horizontally and vertically; sometimes also called a cross fold */
+  IPP_FINISHINGS_FOLD_RIGHT_GATE,	/* Fold the bottom quarter of the paper towards the midline */
+  IPP_FINISHINGS_FOLD_Z,		/* Fold the paper vertically into three sections, forming a Z */
+
+  /* CUPS extensions for finishings (pre-standard versions of values above) */
+  IPP_FINISHINGS_CUPS_PUNCH_TOP_LEFT = 0x40000046,
+					/* Punch 1 hole top left */
+  IPP_FINISHINGS_CUPS_PUNCH_BOTTOM_LEFT,/* Punch 1 hole bottom left */
+  IPP_FINISHINGS_CUPS_PUNCH_TOP_RIGHT,	/* Punch 1 hole top right */
+  IPP_FINISHINGS_CUPS_PUNCH_BOTTOM_RIGHT,
+					/* Punch 1 hole bottom right */
+  IPP_FINISHINGS_CUPS_PUNCH_DUAL_LEFT,	/* Punch 2 holes left side */
+  IPP_FINISHINGS_CUPS_PUNCH_DUAL_TOP,	/* Punch 2 holes top edge */
+  IPP_FINISHINGS_CUPS_PUNCH_DUAL_RIGHT,	/* Punch 2 holes right side */
+  IPP_FINISHINGS_CUPS_PUNCH_DUAL_BOTTOM,/* Punch 2 holes bottom edge */
+  IPP_FINISHINGS_CUPS_PUNCH_TRIPLE_LEFT,/* Punch 3 holes left side */
+  IPP_FINISHINGS_CUPS_PUNCH_TRIPLE_TOP,	/* Punch 3 holes top edge */
+  IPP_FINISHINGS_CUPS_PUNCH_TRIPLE_RIGHT,
+					/* Punch 3 holes right side */
+  IPP_FINISHINGS_CUPS_PUNCH_TRIPLE_BOTTOM,
+					/* Punch 3 holes bottom edge */
+  IPP_FINISHINGS_CUPS_PUNCH_QUAD_LEFT,	/* Punch 4 holes left side */
+  IPP_FINISHINGS_CUPS_PUNCH_QUAD_TOP,	/* Punch 4 holes top edge */
+  IPP_FINISHINGS_CUPS_PUNCH_QUAD_RIGHT,	/* Punch 4 holes right side */
+  IPP_FINISHINGS_CUPS_PUNCH_QUAD_BOTTOM,/* Punch 4 holes bottom edge */
+
+  IPP_FINISHINGS_CUPS_FOLD_ACCORDIAN = 0x4000005A,
+					/* Accordian-fold the paper vertically into four sections */
+  IPP_FINISHINGS_CUPS_FOLD_DOUBLE_GATE,	/* Fold the top and bottom quarters of the paper towards the midline, then fold in half vertically */
+  IPP_FINISHINGS_CUPS_FOLD_GATE,	/* Fold the top and bottom quarters of the paper towards the midline */
+  IPP_FINISHINGS_CUPS_FOLD_HALF,	/* Fold the paper in half vertically */
+  IPP_FINISHINGS_CUPS_FOLD_HALF_Z,	/* Fold the paper in half horizontally, then Z-fold the paper vertically */
+  IPP_FINISHINGS_CUPS_FOLD_LEFT_GATE,	/* Fold the top quarter of the paper towards the midline */
+  IPP_FINISHINGS_CUPS_FOLD_LETTER,	/* Fold the paper into three sections vertically; sometimes also known as a C fold*/
+  IPP_FINISHINGS_CUPS_FOLD_PARALLEL,	/* Fold the paper in half vertically two times, yielding four sections */
+  IPP_FINISHINGS_CUPS_FOLD_POSTER,	/* Fold the paper in half horizontally and vertically; sometimes also called a cross fold */
+  IPP_FINISHINGS_CUPS_FOLD_RIGHT_GATE,	/* Fold the bottom quarter of the paper towards the midline */
+  IPP_FINISHINGS_CUPS_FOLD_Z		/* Fold the paper vertically into three sections, forming a Z */
+} ipp_finishings_t;
+#  ifndef _CUPS_NO_DEPRECATED
+#    define IPP_FINISHINGS_JOB_OFFSET	IPP_FINISHINGS_JOG_OFFSET
+					/* Long-time misspelling... */
+typedef enum ipp_finishings_e ipp_finish_t;
+#  endif /* !_CUPS_NO_DEPRECATED */
+
+typedef enum ipp_jcollate_e		/**** Job collation types ****/
+{
+  IPP_JCOLLATE_UNCOLLATED_SHEETS = 3,
+  IPP_JCOLLATE_COLLATED_DOCUMENTS,
+  IPP_JCOLLATE_UNCOLLATED_DOCUMENTS
+
+#  ifndef _CUPS_NO_DEPRECATED
+#    define IPP_JOB_UNCOLLATED_SHEETS		IPP_JCOLLATE_UNCOLLATED_SHEETS
+#    define IPP_JOB_COLLATED_DOCUMENTS		IPP_JCOLLATE_COLLATED_DOCUMENTS
+#    define IPP_JOB_UNCOLLATED_DOCUMENTS	IPP_JCOLLATE_UNCOLLATED_DOCUMENTS
+#  endif /* !_CUPS_NO_DEPRECATED */
+} ipp_jcollate_t;
+
+typedef enum ipp_jstate_e		/**** Job states ****/
+{
+  IPP_JSTATE_PENDING = 3,		/* Job is waiting to be printed */
+  IPP_JSTATE_HELD,			/* Job is held for printing */
+  IPP_JSTATE_PROCESSING,		/* Job is currently printing */
+  IPP_JSTATE_STOPPED,			/* Job has been stopped */
+  IPP_JSTATE_CANCELED,			/* Job has been canceled */
+  IPP_JSTATE_ABORTED,			/* Job has aborted due to error */
+  IPP_JSTATE_COMPLETED			/* Job has completed successfully */
+
+#  ifndef _CUPS_NO_DEPRECATED
+#    define IPP_JOB_PENDING	IPP_JSTATE_PENDING
+#    define IPP_JOB_HELD	IPP_JSTATE_HELD
+#    define IPP_JOB_PROCESSING	IPP_JSTATE_PROCESSING
+#    define IPP_JOB_STOPPED	IPP_JSTATE_STOPPED
+#    define IPP_JOB_CANCELED	IPP_JSTATE_CANCELED
+#    define IPP_JOB_ABORTED	IPP_JSTATE_ABORTED
+#    define IPP_JOB_COMPLETED	IPP_JSTATE_COMPLETED
+  /* Legacy name for canceled state */
+#    define IPP_JOB_CANCELLED	IPP_JSTATE_CANCELED
+#  endif /* !_CUPS_NO_DEPRECATED */
+} ipp_jstate_t;
+
+typedef enum ipp_op_e			/**** IPP operations ****/
+{
+  IPP_OP_CUPS_INVALID = -1,		/* Invalid operation name for @link ippOpValue@ */
+  IPP_OP_CUPS_NONE = 0,			/* No operation @private@ */
+  IPP_OP_PRINT_JOB = 0x0002,		/* Print a single file */
+  IPP_OP_PRINT_URI,			/* Print a single URL */
+  IPP_OP_VALIDATE_JOB,			/* Validate job options */
+  IPP_OP_CREATE_JOB,			/* Create an empty print job */
+  IPP_OP_SEND_DOCUMENT,			/* Add a file to a job */
+  IPP_OP_SEND_URI,			/* Add a URL to a job */
+  IPP_OP_CANCEL_JOB,			/* Cancel a job */
+  IPP_OP_GET_JOB_ATTRIBUTES,		/* Get job attributes */
+  IPP_OP_GET_JOBS,			/* Get a list of jobs */
+  IPP_OP_GET_PRINTER_ATTRIBUTES,	/* Get printer attributes */
+  IPP_OP_HOLD_JOB,			/* Hold a job for printing */
+  IPP_OP_RELEASE_JOB,			/* Release a job for printing */
+  IPP_OP_RESTART_JOB,			/* Reprint a job */
+  IPP_OP_PAUSE_PRINTER = 0x0010,	/* Stop a printer */
+  IPP_OP_RESUME_PRINTER,		/* Start a printer */
+  IPP_OP_PURGE_JOBS,			/* Cancel all jobs */
+  IPP_OP_SET_PRINTER_ATTRIBUTES,	/* Set printer attributes */
+  IPP_OP_SET_JOB_ATTRIBUTES,		/* Set job attributes */
+  IPP_OP_GET_PRINTER_SUPPORTED_VALUES,	/* Get supported attribute values */
+  IPP_OP_CREATE_PRINTER_SUBSCRIPTIONS,	/* Create one or more printer subscriptions @since CUPS 1.2/macOS 10.5@ */
+  IPP_OP_CREATE_JOB_SUBSCRIPTIONS,	/* Create one of more job subscriptions @since CUPS 1.2/macOS 10.5@ */
+  IPP_OP_GET_SUBSCRIPTION_ATTRIBUTES,	/* Get subscription attributes @since CUPS 1.2/macOS 10.5@ */
+  IPP_OP_GET_SUBSCRIPTIONS,		/* Get list of subscriptions @since CUPS 1.2/macOS 10.5@ */
+  IPP_OP_RENEW_SUBSCRIPTION,		/* Renew a printer subscription @since CUPS 1.2/macOS 10.5@ */
+  IPP_OP_CANCEL_SUBSCRIPTION,		/* Cancel a subscription @since CUPS 1.2/macOS 10.5@ */
+  IPP_OP_GET_NOTIFICATIONS,		/* Get notification events @since CUPS 1.2/macOS 10.5@ */
+  IPP_OP_SEND_NOTIFICATIONS,		/* Send notification events @private@ */
+  IPP_OP_GET_RESOURCE_ATTRIBUTES,	/* Get resource attributes @private@ */
+  IPP_OP_GET_RESOURCE_DATA,		/* Get resource data @private@ */
+  IPP_OP_GET_RESOURCES,			/* Get list of resources @private@ */
+  IPP_OP_GET_PRINT_SUPPORT_FILES,	/* Get printer support files @private@ */
+  IPP_OP_ENABLE_PRINTER,		/* Start a printer */
+  IPP_OP_DISABLE_PRINTER,		/* Stop a printer */
+  IPP_OP_PAUSE_PRINTER_AFTER_CURRENT_JOB,
+					/* Stop printer after the current job */
+  IPP_OP_HOLD_NEW_JOBS,			/* Hold new jobs */
+  IPP_OP_RELEASE_HELD_NEW_JOBS,		/* Release new jobs */
+  IPP_OP_DEACTIVATE_PRINTER,		/* Stop a printer */
+  IPP_OP_ACTIVATE_PRINTER,		/* Start a printer */
+  IPP_OP_RESTART_PRINTER,		/* Restart a printer */
+  IPP_OP_SHUTDOWN_PRINTER,		/* Turn a printer off */
+  IPP_OP_STARTUP_PRINTER,		/* Turn a printer on */
+  IPP_OP_REPROCESS_JOB,			/* Reprint a job */
+  IPP_OP_CANCEL_CURRENT_JOB,		/* Cancel the current job */
+  IPP_OP_SUSPEND_CURRENT_JOB,		/* Suspend the current job */
+  IPP_OP_RESUME_JOB,			/* Resume the current job */
+  IPP_OP_PROMOTE_JOB,			/* Promote a job to print sooner */
+  IPP_OP_SCHEDULE_JOB_AFTER,		/* Schedule a job to print after another */
+  IPP_OP_CANCEL_DOCUMENT = 0x0033,	/* Cancel-Document */
+  IPP_OP_GET_DOCUMENT_ATTRIBUTES,	/* Get-Document-Attributes */
+  IPP_OP_GET_DOCUMENTS,			/* Get-Documents */
+  IPP_OP_DELETE_DOCUMENT,		/* Delete-Document */
+  IPP_OP_SET_DOCUMENT_ATTRIBUTES,	/* Set-Document-Attributes */
+  IPP_OP_CANCEL_JOBS,			/* Cancel-Jobs */
+  IPP_OP_CANCEL_MY_JOBS,		/* Cancel-My-Jobs */
+  IPP_OP_RESUBMIT_JOB,			/* Resubmit-Job */
+  IPP_OP_CLOSE_JOB,			/* Close-Job */
+  IPP_OP_IDENTIFY_PRINTER,		/* Identify-Printer */
+  IPP_OP_VALIDATE_DOCUMENT,		/* Validate-Document */
+  IPP_OP_ADD_DOCUMENT_IMAGES,		/* Add-Document-Images */
+  IPP_OP_ACKNOWLEDGE_DOCUMENT,		/* Acknowledge-Document */
+  IPP_OP_ACKNOWLEDGE_IDENTIFY_PRINTER,	/* Acknowledge-Identify-Printer */
+  IPP_OP_ACKNOWLEDGE_JOB,		/* Acknowledge-Job */
+  IPP_OP_FETCH_DOCUMENT,		/* Fetch-Document */
+  IPP_OP_FETCH_JOB,			/* Fetch-Job */
+  IPP_OP_GET_OUTPUT_DEVICE_ATTRIBUTES,	/* Get-Output-Device-Attributes */
+  IPP_OP_UPDATE_ACTIVE_JOBS,		/* Update-Active-Jobs */
+  IPP_OP_DEREGISTER_OUTPUT_DEVICE,	/* Deregister-Output-Device */
+  IPP_OP_UPDATE_DOCUMENT_STATUS,	/* Update-Document-Status */
+  IPP_OP_UPDATE_JOB_STATUS,		/* Update-Job-Status */
+  IPP_OP_UPDATE_OUTPUT_DEVICE_ATTRIBUTES,
+					/* Update-Output-Device-Attributes */
+  IPP_OP_GET_NEXT_DOCUMENT_DATA,	/* Get-Next-Document-Data */
+
+  IPP_OP_PRIVATE = 0x4000,		/* Reserved @private@ */
+  IPP_OP_CUPS_GET_DEFAULT,		/* Get the default printer */
+  IPP_OP_CUPS_GET_PRINTERS,		/* Get a list of printers and/or classes */
+  IPP_OP_CUPS_ADD_MODIFY_PRINTER,	/* Add or modify a printer */
+  IPP_OP_CUPS_DELETE_PRINTER,		/* Delete a printer */
+  IPP_OP_CUPS_GET_CLASSES,		/* Get a list of classes @deprecated@ */
+  IPP_OP_CUPS_ADD_MODIFY_CLASS,		/* Add or modify a class */
+  IPP_OP_CUPS_DELETE_CLASS,		/* Delete a class */
+  IPP_OP_CUPS_ACCEPT_JOBS,		/* Accept new jobs on a printer */
+  IPP_OP_CUPS_REJECT_JOBS,		/* Reject new jobs on a printer */
+  IPP_OP_CUPS_SET_DEFAULT,		/* Set the default printer */
+  IPP_OP_CUPS_GET_DEVICES,		/* Get a list of supported devices @deprecated@ */
+  IPP_OP_CUPS_GET_PPDS,			/* Get a list of supported drivers @deprecated@ */
+  IPP_OP_CUPS_MOVE_JOB,			/* Move a job to a different printer */
+  IPP_OP_CUPS_AUTHENTICATE_JOB,		/* Authenticate a job @since CUPS 1.2/macOS 10.5@ */
+  IPP_OP_CUPS_GET_PPD,			/* Get a PPD file @deprecated@ */
+  IPP_OP_CUPS_GET_DOCUMENT = 0x4027,	/* Get a document file @since CUPS 1.4/macOS 10.6@ */
+  IPP_OP_CUPS_CREATE_LOCAL_PRINTER	/* Create a local (temporary) printer @since CUPS 2.2 */
+
+#  ifndef _CUPS_NO_DEPRECATED
+#    define IPP_PRINT_JOB			IPP_OP_PRINT_JOB
+#    define IPP_PRINT_URI			IPP_OP_PRINT_URI
+#    define IPP_VALIDATE_JOB			IPP_OP_VALIDATE_JOB
+#    define IPP_CREATE_JOB			IPP_OP_CREATE_JOB
+#    define IPP_SEND_DOCUMENT			IPP_OP_SEND_DOCUMENT
+#    define IPP_SEND_URI			IPP_OP_SEND_URI
+#    define IPP_CANCEL_JOB			IPP_OP_CANCEL_JOB
+#    define IPP_GET_JOB_ATTRIBUTES		IPP_OP_GET_JOB_ATTRIBUTES
+#    define IPP_GET_JOBS			IPP_OP_GET_JOBS
+#    define IPP_GET_PRINTER_ATTRIBUTES		IPP_OP_GET_PRINTER_ATTRIBUTES
+#    define IPP_HOLD_JOB			IPP_OP_HOLD_JOB
+#    define IPP_RELEASE_JOB			IPP_OP_RELEASE_JOB
+#    define IPP_RESTART_JOB			IPP_OP_RESTART_JOB
+#    define IPP_PAUSE_PRINTER			IPP_OP_PAUSE_PRINTER
+#    define IPP_RESUME_PRINTER			IPP_OP_RESUME_PRINTER
+#    define IPP_PURGE_JOBS			IPP_OP_PURGE_JOBS
+#    define IPP_SET_PRINTER_ATTRIBUTES		IPP_OP_SET_PRINTER_ATTRIBUTES
+#    define IPP_SET_JOB_ATTRIBUTES		IPP_OP_SET_JOB_ATTRIBUTES
+#    define IPP_GET_PRINTER_SUPPORTED_VALUES	IPP_OP_GET_PRINTER_SUPPORTED_VALUES
+#    define IPP_CREATE_PRINTER_SUBSCRIPTION	IPP_OP_CREATE_PRINTER_SUBSCRIPTIONS
+#    define IPP_CREATE_JOB_SUBSCRIPTION		IPP_OP_CREATE_JOB_SUBSCRIPTIONS
+#    define IPP_OP_CREATE_PRINTER_SUBSCRIPTION	IPP_OP_CREATE_PRINTER_SUBSCRIPTIONS
+#    define IPP_OP_CREATE_JOB_SUBSCRIPTION		IPP_OP_CREATE_JOB_SUBSCRIPTIONS
+#    define IPP_GET_SUBSCRIPTION_ATTRIBUTES	IPP_OP_GET_SUBSCRIPTION_ATTRIBUTES
+#    define IPP_GET_SUBSCRIPTIONS		IPP_OP_GET_SUBSCRIPTIONS
+#    define IPP_RENEW_SUBSCRIPTION		IPP_OP_RENEW_SUBSCRIPTION
+#    define IPP_CANCEL_SUBSCRIPTION		IPP_OP_CANCEL_SUBSCRIPTION
+#    define IPP_GET_NOTIFICATIONS		IPP_OP_GET_NOTIFICATIONS
+#    define IPP_SEND_NOTIFICATIONS		IPP_OP_SEND_NOTIFICATIONS
+#    define IPP_GET_RESOURCE_ATTRIBUTES		IPP_OP_GET_RESOURCE_ATTRIBUTES
+#    define IPP_GET_RESOURCE_DATA		IPP_OP_GET_RESOURCE_DATA
+#    define IPP_GET_RESOURCES			IPP_OP_GET_RESOURCES
+#    define IPP_GET_PRINT_SUPPORT_FILES		IPP_OP_GET_PRINT_SUPPORT_FILES
+#    define IPP_ENABLE_PRINTER			IPP_OP_ENABLE_PRINTER
+#    define IPP_DISABLE_PRINTER			IPP_OP_DISABLE_PRINTER
+#    define IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB	IPP_OP_PAUSE_PRINTER_AFTER_CURRENT_JOB
+#    define IPP_HOLD_NEW_JOBS			IPP_OP_HOLD_NEW_JOBS
+#    define IPP_RELEASE_HELD_NEW_JOBS		IPP_OP_RELEASE_HELD_NEW_JOBS
+#    define IPP_DEACTIVATE_PRINTER		IPP_OP_DEACTIVATE_PRINTER
+#    define IPP_ACTIVATE_PRINTER		IPP_OP_ACTIVATE_PRINTER
+#    define IPP_RESTART_PRINTER			IPP_OP_RESTART_PRINTER
+#    define IPP_SHUTDOWN_PRINTER		IPP_OP_SHUTDOWN_PRINTER
+#    define IPP_STARTUP_PRINTER			IPP_OP_STARTUP_PRINTER
+#    define IPP_REPROCESS_JOB			IPP_OP_REPROCESS_JOB
+#    define IPP_CANCEL_CURRENT_JOB		IPP_OP_CANCEL_CURRENT_JOB
+#    define IPP_SUSPEND_CURRENT_JOB		IPP_OP_SUSPEND_CURRENT_JOB
+#    define IPP_RESUME_JOB			IPP_OP_RESUME_JOB
+#    define IPP_PROMOTE_JOB			IPP_OP_PROMOTE_JOB
+#    define IPP_SCHEDULE_JOB_AFTER		IPP_OP_SCHEDULE_JOB_AFTER
+#    define IPP_CANCEL_DOCUMENT			IPP_OP_CANCEL_DOCUMENT
+#    define IPP_GET_DOCUMENT_ATTRIBUTES		IPP_OP_GET_DOCUMENT_ATTRIBUTES
+#    define IPP_GET_DOCUMENTS			IPP_OP_GET_DOCUMENTS
+#    define IPP_DELETE_DOCUMENT			IPP_OP_DELETE_DOCUMENT
+#    define IPP_SET_DOCUMENT_ATTRIBUTES		IPP_OP_SET_DOCUMENT_ATTRIBUTES
+#    define IPP_CANCEL_JOBS			IPP_OP_CANCEL_JOBS
+#    define IPP_CANCEL_MY_JOBS			IPP_OP_CANCEL_MY_JOBS
+#    define IPP_RESUBMIT_JOB			IPP_OP_RESUBMIT_JOB
+#    define IPP_CLOSE_JOB			IPP_OP_CLOSE_JOB
+#    define IPP_IDENTIFY_PRINTER		IPP_OP_IDENTIFY_PRINTER
+#    define IPP_VALIDATE_DOCUMENT		IPP_OP_VALIDATE_DOCUMENT
+#    define IPP_OP_SEND_HARDCOPY_DOCUMENT	IPP_OP_ADD_DOCUMENT_IMAGES
+#    define IPP_PRIVATE				IPP_OP_PRIVATE
+#    define CUPS_GET_DEFAULT			IPP_OP_CUPS_GET_DEFAULT
+#    define CUPS_GET_PRINTERS			IPP_OP_CUPS_GET_PRINTERS
+#    define CUPS_ADD_MODIFY_PRINTER		IPP_OP_CUPS_ADD_MODIFY_PRINTER
+#    define CUPS_DELETE_PRINTER			IPP_OP_CUPS_DELETE_PRINTER
+#    define CUPS_GET_CLASSES			IPP_OP_CUPS_GET_CLASSES
+#    define CUPS_ADD_MODIFY_CLASS		IPP_OP_CUPS_ADD_MODIFY_CLASS
+#    define CUPS_DELETE_CLASS			IPP_OP_CUPS_DELETE_CLASS
+#    define CUPS_ACCEPT_JOBS			IPP_OP_CUPS_ACCEPT_JOBS
+#    define CUPS_REJECT_JOBS			IPP_OP_CUPS_REJECT_JOBS
+#    define CUPS_SET_DEFAULT			IPP_OP_CUPS_SET_DEFAULT
+#    define CUPS_GET_DEVICES			IPP_OP_CUPS_GET_DEVICES
+#    define CUPS_GET_PPDS			IPP_OP_CUPS_GET_PPDS
+#    define CUPS_MOVE_JOB			IPP_OP_CUPS_MOVE_JOB
+#    define CUPS_AUTHENTICATE_JOB		IPP_OP_CUPS_AUTHENTICATE_JOB
+#    define CUPS_GET_PPD			IPP_OP_CUPS_GET_PPD
+#    define CUPS_GET_DOCUMENT			IPP_OP_CUPS_GET_DOCUMENT
+     /* Legacy names */
+#    define CUPS_ADD_PRINTER			IPP_OP_CUPS_ADD_MODIFY_PRINTER
+#    define CUPS_ADD_CLASS			IPP_OP_CUPS_ADD_MODIFY_CLASS
+#  endif /* !_CUPS_NO_DEPRECATED */
+} ipp_op_t;
+
+typedef enum ipp_orient_e		/**** Orientation values ****/
+{
+  IPP_ORIENT_PORTRAIT = 3,		/* No rotation */
+  IPP_ORIENT_LANDSCAPE,			/* 90 degrees counter-clockwise */
+  IPP_ORIENT_REVERSE_LANDSCAPE,		/* 90 degrees clockwise */
+  IPP_ORIENT_REVERSE_PORTRAIT,		/* 180 degrees */
+  IPP_ORIENT_NONE			/* No rotation */
+
+#  ifndef _CUPS_NO_DEPRECATED
+#    define IPP_PORTRAIT		IPP_ORIENT_PORTRAIT
+#    define IPP_LANDSCAPE		IPP_ORIENT_LANDSCAPE
+#    define IPP_REVERSE_LANDSCAPE	IPP_ORIENT_REVERSE_LANDSCAPE
+#    define IPP_REVERSE_PORTRAIT	IPP_ORIENT_REVERSE_PORTRAIT
+#  endif /* !_CUPS_NO_DEPRECATED */
+} ipp_orient_t;
+
+typedef enum ipp_pstate_e		/**** Printer states ****/
+{
+  IPP_PSTATE_IDLE = 3,			/* Printer is idle */
+  IPP_PSTATE_PROCESSING,		/* Printer is working */
+  IPP_PSTATE_STOPPED			/* Printer is stopped */
+
+#  ifndef _CUPS_NO_DEPRECATED
+#    define IPP_PRINTER_IDLE		IPP_PSTATE_IDLE
+#    define IPP_PRINTER_PROCESSING	IPP_PSTATE_PROCESSING
+#    define IPP_PRINTER_STOPPED		IPP_PSTATE_STOPPED
+#  endif /* _CUPS_NO_DEPRECATED */
+} ipp_pstate_t;
+
+typedef enum ipp_quality_e		/**** Qualities ****/
+{
+  IPP_QUALITY_DRAFT = 3,		/* Draft quality */
+  IPP_QUALITY_NORMAL,			/* Normal quality */
+  IPP_QUALITY_HIGH			/* High quality */
+} ipp_quality_t;
+
+typedef enum ipp_res_e			/**** Resolution units ****/
+{
+  IPP_RES_PER_INCH = 3,			/* Pixels per inch */
+  IPP_RES_PER_CM			/* Pixels per centimeter */
+} ipp_res_t;
+
+typedef enum ipp_state_e		/**** IPP states ****/
+{
+  IPP_STATE_ERROR = -1,			/* An error occurred */
+  IPP_STATE_IDLE,			/* Nothing is happening/request completed */
+  IPP_STATE_HEADER,			/* The request header needs to be sent/received */
+  IPP_STATE_ATTRIBUTE,			/* One or more attributes need to be sent/received */
+  IPP_STATE_DATA			/* IPP request data needs to be sent/received */
+
+#  ifndef _CUPS_NO_DEPRECATED
+#    define IPP_ERROR		IPP_STATE_ERROR
+#    define IPP_IDLE		IPP_STATE_IDLE
+#    define IPP_HEADER		IPP_STATE_HEADER
+#    define IPP_ATTRIBUTE	IPP_STATE_ATTRIBUTE
+#    define IPP_DATA		IPP_STATE_DATA
+#  endif /* !_CUPS_NO_DEPRECATED */
+} ipp_state_t;
+
+typedef enum ipp_status_e		/**** IPP status codes ****/
+{
+  IPP_STATUS_CUPS_INVALID = -1,		/* Invalid status name for @link ippErrorValue@ */
+  IPP_STATUS_OK = 0x0000,		/* successful-ok */
+  IPP_STATUS_OK_IGNORED_OR_SUBSTITUTED,	/* successful-ok-ignored-or-substituted-attributes */
+  IPP_STATUS_OK_CONFLICTING,		/* successful-ok-conflicting-attributes */
+  IPP_STATUS_OK_IGNORED_SUBSCRIPTIONS,	/* successful-ok-ignored-subscriptions */
+  IPP_STATUS_OK_IGNORED_NOTIFICATIONS,	/* successful-ok-ignored-notifications @private@ */
+  IPP_STATUS_OK_TOO_MANY_EVENTS,	/* successful-ok-too-many-events */
+  IPP_STATUS_OK_BUT_CANCEL_SUBSCRIPTION,/* successful-ok-but-cancel-subscription @private@ */
+  IPP_STATUS_OK_EVENTS_COMPLETE,	/* successful-ok-events-complete */
+  IPP_STATUS_REDIRECTION_OTHER_SITE = 0x0200,
+					/* redirection-other-site @private@ */
+  IPP_STATUS_CUPS_SEE_OTHER = 0x0280,	/* cups-see-other */
+  IPP_STATUS_ERROR_BAD_REQUEST = 0x0400,/* client-error-bad-request */
+  IPP_STATUS_ERROR_FORBIDDEN,		/* client-error-forbidden */
+  IPP_STATUS_ERROR_NOT_AUTHENTICATED,	/* client-error-not-authenticated */
+  IPP_STATUS_ERROR_NOT_AUTHORIZED,	/* client-error-not-authorized */
+  IPP_STATUS_ERROR_NOT_POSSIBLE,	/* client-error-not-possible */
+  IPP_STATUS_ERROR_TIMEOUT,		/* client-error-timeout */
+  IPP_STATUS_ERROR_NOT_FOUND,		/* client-error-not-found */
+  IPP_STATUS_ERROR_GONE,		/* client-error-gone */
+  IPP_STATUS_ERROR_REQUEST_ENTITY,	/* client-error-request-entity-too-large */
+  IPP_STATUS_ERROR_REQUEST_VALUE,	/* client-error-request-value-too-long */
+  IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED,
+					/* client-error-document-format-not-supported */
+  IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES,/* client-error-attributes-or-values-not-supported */
+  IPP_STATUS_ERROR_URI_SCHEME,		/* client-error-uri-scheme-not-supported */
+  IPP_STATUS_ERROR_CHARSET,		/* client-error-charset-not-supported */
+  IPP_STATUS_ERROR_CONFLICTING,		/* client-error-conflicting-attributes */
+  IPP_STATUS_ERROR_COMPRESSION_NOT_SUPPORTED,
+					/* client-error-compression-not-supported */
+  IPP_STATUS_ERROR_COMPRESSION_ERROR,	/* client-error-compression-error */
+  IPP_STATUS_ERROR_DOCUMENT_FORMAT_ERROR,
+					/* client-error-document-format-error */
+  IPP_STATUS_ERROR_DOCUMENT_ACCESS,	/* client-error-document-access-error */
+  IPP_STATUS_ERROR_ATTRIBUTES_NOT_SETTABLE,
+					/* client-error-attributes-not-settable */
+  IPP_STATUS_ERROR_IGNORED_ALL_SUBSCRIPTIONS,
+					/* client-error-ignored-all-subscriptions */
+  IPP_STATUS_ERROR_TOO_MANY_SUBSCRIPTIONS,
+					/* client-error-too-many-subscriptions */
+  IPP_STATUS_ERROR_IGNORED_ALL_NOTIFICATIONS,
+					/* client-error-ignored-all-notifications @private@ */
+  IPP_STATUS_ERROR_PRINT_SUPPORT_FILE_NOT_FOUND,
+					/* client-error-print-support-file-not-found @private@ */
+  IPP_STATUS_ERROR_DOCUMENT_PASSWORD,	/* client-error-document-password-error */
+  IPP_STATUS_ERROR_DOCUMENT_PERMISSION,	/* client-error-document-permission-error */
+  IPP_STATUS_ERROR_DOCUMENT_SECURITY,	/* client-error-document-security-error */
+  IPP_STATUS_ERROR_DOCUMENT_UNPRINTABLE,/* client-error-document-unprintable-error */
+  IPP_STATUS_ERROR_ACCOUNT_INFO_NEEDED,	/* client-error-account-info-needed */
+  IPP_STATUS_ERROR_ACCOUNT_CLOSED,	/* client-error-account-closed */
+  IPP_STATUS_ERROR_ACCOUNT_LIMIT_REACHED,
+					/* client-error-account-limit-reached */
+  IPP_STATUS_ERROR_ACCOUNT_AUTHORIZATION_FAILED,
+					/* client-error-account-authorization-failed */
+  IPP_STATUS_ERROR_NOT_FETCHABLE,	/* client-error-not-fetchable */
+
+  /* Legacy status codes for paid printing */
+  IPP_STATUS_ERROR_CUPS_ACCOUNT_INFO_NEEDED = 0x049C,
+					/* cups-error-account-info-needed @deprecated@ */
+  IPP_STATUS_ERROR_CUPS_ACCOUNT_CLOSED,	/* cups-error-account-closed @deprecate@ */
+  IPP_STATUS_ERROR_CUPS_ACCOUNT_LIMIT_REACHED,
+					/* cups-error-account-limit-reached @deprecated@ */
+  IPP_STATUS_ERROR_CUPS_ACCOUNT_AUTHORIZATION_FAILED,
+					/* cups-error-account-authorization-failed @deprecated@ */
+
+  IPP_STATUS_ERROR_INTERNAL = 0x0500,	/* server-error-internal-error */
+  IPP_STATUS_ERROR_OPERATION_NOT_SUPPORTED,
+					/* server-error-operation-not-supported */
+  IPP_STATUS_ERROR_SERVICE_UNAVAILABLE,	/* server-error-service-unavailable */
+  IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED,
+					/* server-error-version-not-supported */
+  IPP_STATUS_ERROR_DEVICE,		/* server-error-device-error */
+  IPP_STATUS_ERROR_TEMPORARY,		/* server-error-temporary-error */
+  IPP_STATUS_ERROR_NOT_ACCEPTING_JOBS,	/* server-error-not-accepting-jobs */
+  IPP_STATUS_ERROR_BUSY,		/* server-error-busy */
+  IPP_STATUS_ERROR_JOB_CANCELED,	/* server-error-job-canceled */
+  IPP_STATUS_ERROR_MULTIPLE_JOBS_NOT_SUPPORTED,
+					/* server-error-multiple-document-jobs-not-supported */
+  IPP_STATUS_ERROR_PRINTER_IS_DEACTIVATED,
+					/* server-error-printer-is-deactivated */
+  IPP_STATUS_ERROR_TOO_MANY_JOBS,	/* server-error-too-many-jobs */
+  IPP_STATUS_ERROR_TOO_MANY_DOCUMENTS,	/* server-error-too-many-documents */
+
+  /* These are internal and never sent over the wire... */
+  IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED = 0x1000,
+					/* cups-authentication-canceled - Authentication canceled by user @since CUPS 1.5/macOS 10.7@ */
+  IPP_STATUS_ERROR_CUPS_PKI,		/* cups-pki-error - Error negotiating a secure connection @since CUPS 1.5/macOS 10.7@ */
+  IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED/* cups-upgrade-required - TLS upgrade required */
+
+#  ifndef _CUPS_NO_DEPRECATED
+#    define IPP_OK				IPP_STATUS_OK
+#    define IPP_OK_SUBST			IPP_STATUS_OK_IGNORED_OR_SUBSTITUTED
+#    define IPP_OK_CONFLICT			IPP_STATUS_OK_CONFLICTING
+#    define IPP_OK_IGNORED_SUBSCRIPTIONS	IPP_STATUS_OK_IGNORED_SUBSCRIPTIONS
+#    define IPP_OK_IGNORED_NOTIFICATIONS	IPP_STATUS_OK_IGNORED_NOTIFICATIONS
+#    define IPP_OK_TOO_MANY_EVENTS		IPP_STATUS_OK_TOO_MANY_EVENTS
+#    define IPP_OK_BUT_CANCEL_SUBSCRIPTION	IPP_STATUS_OK_BUT_CANCEL_SUBSCRIPTION
+#    define IPP_OK_EVENTS_COMPLETE		IPP_STATUS_OK_EVENTS_COMPLETE
+#    define IPP_REDIRECTION_OTHER_SITE		IPP_STATUS_REDIRECTION_OTHER_SITE
+#    define CUPS_SEE_OTHER			IPP_STATUS_CUPS_SEE_OTHER
+#    define IPP_BAD_REQUEST			IPP_STATUS_ERROR_BAD_REQUEST
+#    define IPP_FORBIDDEN			IPP_STATUS_ERROR_FORBIDDEN
+#    define IPP_NOT_AUTHENTICATED		IPP_STATUS_ERROR_NOT_AUTHENTICATED
+#    define IPP_NOT_AUTHORIZED			IPP_STATUS_ERROR_NOT_AUTHORIZED
+#    define IPP_NOT_POSSIBLE			IPP_STATUS_ERROR_NOT_POSSIBLE
+#    define IPP_TIMEOUT				IPP_STATUS_ERROR_TIMEOUT
+#    define IPP_NOT_FOUND			IPP_STATUS_ERROR_NOT_FOUND
+#    define IPP_GONE				IPP_STATUS_ERROR_GONE
+#    define IPP_REQUEST_ENTITY			IPP_STATUS_ERROR_REQUEST_ENTITY
+#    define IPP_REQUEST_VALUE			IPP_STATUS_ERROR_REQUEST_VALUE
+#    define IPP_DOCUMENT_FORMAT			IPP_STATUS_ERROR_DOCUMENT_FORMAT_NOT_SUPPORTED
+#    define IPP_ATTRIBUTES			IPP_STATUS_ERROR_ATTRIBUTES_OR_VALUES
+#    define IPP_URI_SCHEME			IPP_STATUS_ERROR_URI_SCHEME
+#    define IPP_CHARSET				IPP_STATUS_ERROR_CHARSET
+#    define IPP_CONFLICT			IPP_STATUS_ERROR_CONFLICTING
+#    define IPP_COMPRESSION_NOT_SUPPORTED	IPP_STATUS_ERROR_COMPRESSION_NOT_SUPPORTED
+#    define IPP_COMPRESSION_ERROR		IPP_STATUS_ERROR_COMPRESSION_ERROR
+#    define IPP_DOCUMENT_FORMAT_ERROR		IPP_STATUS_ERROR_DOCUMENT_FORMAT_ERROR
+#    define IPP_DOCUMENT_ACCESS_ERROR		IPP_STATUS_ERROR_DOCUMENT_ACCESS
+#    define IPP_ATTRIBUTES_NOT_SETTABLE		IPP_STATUS_ERROR_ATTRIBUTES_NOT_SETTABLE
+#    define IPP_IGNORED_ALL_SUBSCRIPTIONS	IPP_STATUS_ERROR_IGNORED_ALL_SUBSCRIPTIONS
+#    define IPP_TOO_MANY_SUBSCRIPTIONS		IPP_STATUS_ERROR_TOO_MANY_SUBSCRIPTIONS
+#    define IPP_IGNORED_ALL_NOTIFICATIONS	IPP_STATUS_ERROR_IGNORED_ALL_NOTIFICATIONS
+#    define IPP_PRINT_SUPPORT_FILE_NOT_FOUND	IPP_STATUS_ERROR_PRINT_SUPPORT_FILE_NOT_FOUND
+#    define IPP_DOCUMENT_PASSWORD_ERROR		IPP_STATUS_ERROR_DOCUMENT_PASSWORD
+#    define IPP_DOCUMENT_PERMISSION_ERROR	IPP_STATUS_ERROR_DOCUMENT_PERMISSION
+#    define IPP_DOCUMENT_SECURITY_ERROR		IPP_STATUS_ERROR_DOCUMENT_SECURITY
+#    define IPP_DOCUMENT_UNPRINTABLE_ERROR	IPP_STATUS_ERROR_DOCUMENT_UNPRINTABLE
+#    define IPP_INTERNAL_ERROR			IPP_STATUS_ERROR_INTERNAL
+#    define IPP_OPERATION_NOT_SUPPORTED		IPP_STATUS_ERROR_OPERATION_NOT_SUPPORTED
+#    define IPP_SERVICE_UNAVAILABLE		IPP_STATUS_ERROR_SERVICE_UNAVAILABLE
+#    define IPP_VERSION_NOT_SUPPORTED		IPP_STATUS_ERROR_VERSION_NOT_SUPPORTED
+#    define IPP_DEVICE_ERROR			IPP_STATUS_ERROR_DEVICE
+#    define IPP_TEMPORARY_ERROR			IPP_STATUS_ERROR_TEMPORARY
+#    define IPP_NOT_ACCEPTING			IPP_STATUS_ERROR_NOT_ACCEPTING_JOBS
+#    define IPP_PRINTER_BUSY			IPP_STATUS_ERROR_BUSY
+#    define IPP_ERROR_JOB_CANCELED		IPP_STATUS_ERROR_JOB_CANCELED
+#    define IPP_MULTIPLE_JOBS_NOT_SUPPORTED	IPP_STATUS_ERROR_MULTIPLE_JOBS_NOT_SUPPORTED
+#    define IPP_PRINTER_IS_DEACTIVATED		IPP_STATUS_ERROR_PRINTER_IS_DEACTIVATED
+#    define IPP_TOO_MANY_JOBS			IPP_STATUS_ERROR_TOO_MANY_JOBS
+#    define IPP_TOO_MANY_DOCUMENTS		IPP_STATUS_ERROR_TOO_MANY_DOCUMENTS
+#    define IPP_AUTHENTICATION_CANCELED		IPP_STATUS_ERROR_CUPS_AUTHENTICATION_CANCELED
+#    define IPP_PKI_ERROR			IPP_STATUS_ERROR_CUPS_PKI
+#    define IPP_UPGRADE_REQUIRED		IPP_STATUS_ERROR_CUPS_UPGRADE_REQUIRED
+     /* Legacy name for canceled status */
+#    define IPP_ERROR_JOB_CANCELLED		IPP_STATUS_ERROR_JOB_CANCELED
+#  endif /* _CUPS_NO_DEPRECATED */
+} ipp_status_t;
+
+typedef enum ipp_tag_e			/**** Format tags for attributes ****/
+{
+  IPP_TAG_CUPS_INVALID = -1,		/* Invalid tag name for @link ippTagValue@ */
+  IPP_TAG_ZERO = 0x00,			/* Zero tag - used for separators */
+  IPP_TAG_OPERATION,			/* Operation group */
+  IPP_TAG_JOB,				/* Job group */
+  IPP_TAG_END,				/* End-of-attributes */
+  IPP_TAG_PRINTER,			/* Printer group */
+  IPP_TAG_UNSUPPORTED_GROUP,		/* Unsupported attributes group */
+  IPP_TAG_SUBSCRIPTION,			/* Subscription group */
+  IPP_TAG_EVENT_NOTIFICATION,		/* Event group */
+  IPP_TAG_RESOURCE,			/* Resource group @private@ */
+  IPP_TAG_DOCUMENT,			/* Document group */
+  IPP_TAG_UNSUPPORTED_VALUE = 0x10,	/* Unsupported value */
+  IPP_TAG_DEFAULT,			/* Default value */
+  IPP_TAG_UNKNOWN,			/* Unknown value */
+  IPP_TAG_NOVALUE,			/* No-value value */
+  IPP_TAG_NOTSETTABLE = 0x15,		/* Not-settable value */
+  IPP_TAG_DELETEATTR,			/* Delete-attribute value */
+  IPP_TAG_ADMINDEFINE,			/* Admin-defined value */
+  IPP_TAG_INTEGER = 0x21,		/* Integer value */
+  IPP_TAG_BOOLEAN,			/* Boolean value */
+  IPP_TAG_ENUM,				/* Enumeration value */
+  IPP_TAG_STRING = 0x30,		/* Octet string value */
+  IPP_TAG_DATE,				/* Date/time value */
+  IPP_TAG_RESOLUTION,			/* Resolution value */
+  IPP_TAG_RANGE,			/* Range value */
+  IPP_TAG_BEGIN_COLLECTION,		/* Beginning of collection value */
+  IPP_TAG_TEXTLANG,			/* Text-with-language value */
+  IPP_TAG_NAMELANG,			/* Name-with-language value */
+  IPP_TAG_END_COLLECTION,		/* End of collection value */
+  IPP_TAG_TEXT = 0x41,			/* Text value */
+  IPP_TAG_NAME,				/* Name value */
+  IPP_TAG_RESERVED_STRING,		/* Reserved for future string value @private@ */
+  IPP_TAG_KEYWORD,			/* Keyword value */
+  IPP_TAG_URI,				/* URI value */
+  IPP_TAG_URISCHEME,			/* URI scheme value */
+  IPP_TAG_CHARSET,			/* Character set value */
+  IPP_TAG_LANGUAGE,			/* Language value */
+  IPP_TAG_MIMETYPE,			/* MIME media type value */
+  IPP_TAG_MEMBERNAME,			/* Collection member name value */
+  IPP_TAG_EXTENSION = 0x7f,		/* Extension point for 32-bit tags */
+  IPP_TAG_CUPS_MASK = 0x7fffffff,	/* Mask for copied attribute values @private@ */
+  /* The following expression is used to avoid compiler warnings with +/-0x80000000 */
+  IPP_TAG_CUPS_CONST = -0x7fffffff-1	/* Bitflag for copied/const attribute values @private@ */
+
+#  ifndef _CUPS_NO_DEPRECATED
+#    define IPP_TAG_MASK		IPP_TAG_CUPS_MASK
+#    define IPP_TAG_COPY		IPP_TAG_CUPS_CONST
+#  endif /* !_CUPS_NO_DEPRECATED */
+} ipp_tag_t;
+
+typedef unsigned char ipp_uchar_t;	/**** Unsigned 8-bit integer/character ****/
+typedef struct _ipp_s ipp_t;		/**** IPP request/response data ****/
+typedef struct _ipp_attribute_s ipp_attribute_t;
+					/**** IPP attribute ****/
+
+/**** New in CUPS 1.2/macOS 10.5 ****/
+typedef ssize_t	(*ipp_iocb_t)(void *context, ipp_uchar_t *buffer, size_t bytes);
+					/**** IPP IO Callback Function @since CUPS 1.2/macOS 10.5@ ****/
+
+/**** New in CUPS 1.6/macOS 10.8 ****/
+typedef int (*ipp_copycb_t)(void *context, ipp_t *dst, ipp_attribute_t *attr);
+
+
+/*
+ * The following structures are PRIVATE starting with CUPS 1.6/macOS 10.8.
+ * Please use the new accessor functions available in CUPS 1.6 and later, as
+ * these definitions will be moved to a private header file in a future release.
+ *
+ * Define _IPP_PRIVATE_STRUCTURES to 1 to cause the private IPP structures to be
+ * exposed in CUPS 1.6.  This happens automatically on macOS when compiling for
+ * a deployment target of 10.7 or earlier.
+ *
+ * Define _IPP_PRIVATE_STRUCTURES to 0 to prevent the private IPP structures
+ * from being exposed.  This is useful when migrating existing code to the new
+ * accessors.
+ */
+
+#  ifdef _IPP_PRIVATE_STRUCTURES
+     /* Somebody has overridden the value */
+#  elif defined(_CUPS_SOURCE) || defined(_CUPS_IPP_PRIVATE_H_)
+     /* Building CUPS */
+#    define _IPP_PRIVATE_STRUCTURES 1
+#  elif defined(__APPLE__)
+#    if defined(MAC_OS_X_VERSION_10_8) && MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_8
+       /* Building for 10.7 and earlier */
+#      define _IPP_PRIVATE_STRUCTURES 1
+#    elif !defined(MAC_OS_X_VERSION_10_8)
+       /* Building for 10.7 and earlier */
+#      define _IPP_PRIVATE_STRUCTURES 1
+#    endif /* MAC_OS_X_VERSION_10_8 && MAC_OS_X_VERSION_MIN_REQUIRED < MAC_OS_X_VERSION_10_8 */
+#  else
+#    define _IPP_PRIVATE_STRUCTURES 0
+#  endif /* _CUPS_SOURCE || _CUPS_IPP_PRIVATE_H_ */
+
+#  if _IPP_PRIVATE_STRUCTURES
+typedef union _ipp_request_u		/**** Request Header ****/
+{
+  struct				/* Any Header */
+  {
+    ipp_uchar_t	version[2];		/* Protocol version number */
+    int		op_status;		/* Operation ID or status code*/
+    int		request_id;		/* Request ID */
+  }		any;
+
+  struct				/* Operation Header */
+  {
+    ipp_uchar_t	version[2];		/* Protocol version number */
+    ipp_op_t	operation_id;		/* Operation ID */
+    int		request_id;		/* Request ID */
+  }		op;
+
+  struct				/* Status Header */
+  {
+    ipp_uchar_t	version[2];		/* Protocol version number */
+    ipp_status_t status_code;		/* Status code */
+    int		request_id;		/* Request ID */
+  }		status;
+
+  /**** New in CUPS 1.1.19 ****/
+  struct				/* Event Header @since CUPS 1.1.19/macOS 10.3@ */
+  {
+    ipp_uchar_t	version[2];		/* Protocol version number */
+    ipp_status_t status_code;		/* Status code */
+    int		request_id;		/* Request ID */
+  }		event;
+} _ipp_request_t;
+
+/**** New in CUPS 1.1.19 ****/
+
+typedef union _ipp_value_u		/**** Attribute Value ****/
+{
+  int		integer;		/* Integer/enumerated value */
+
+  char		boolean;		/* Boolean value */
+
+  ipp_uchar_t	date[11];		/* Date/time value */
+
+  struct
+  {
+    int		xres,			/* Horizontal resolution */
+		yres;			/* Vertical resolution */
+    ipp_res_t	units;			/* Resolution units */
+  }		resolution;		/* Resolution value */
+
+  struct
+  {
+    int		lower,			/* Lower value */
+		upper;			/* Upper value */
+  }		range;			/* Range of integers value */
+
+  struct
+  {
+    char	*language;		/* Language code */
+    char	*text;			/* String */
+  }		string;			/* String with language value */
+
+  struct
+  {
+    int		length;			/* Length of attribute */
+    void	*data;			/* Data in attribute */
+  }		unknown;		/* Unknown attribute type */
+
+/**** New in CUPS 1.1.19 ****/
+  ipp_t		*collection;		/* Collection value @since CUPS 1.1.19/macOS 10.3@ */
+} _ipp_value_t;
+typedef _ipp_value_t ipp_value_t;	/**** Convenience typedef that will be removed @private@ ****/
+
+struct _ipp_attribute_s			/**** Attribute ****/
+{
+  ipp_attribute_t *next;		/* Next attribute in list */
+  ipp_tag_t	group_tag,		/* Job/Printer/Operation group tag */
+		value_tag;		/* What type of value is it? */
+  char		*name;			/* Name of attribute */
+  int		num_values;		/* Number of values */
+  _ipp_value_t	values[1];		/* Values */
+};
+
+struct _ipp_s				/**** IPP Request/Response/Notification ****/
+{
+  ipp_state_t		state;		/* State of request */
+  _ipp_request_t	request;	/* Request header */
+  ipp_attribute_t	*attrs;		/* Attributes */
+  ipp_attribute_t	*last;		/* Last attribute in list */
+  ipp_attribute_t	*current;	/* Current attribute (for read/write) */
+  ipp_tag_t		curtag;		/* Current attribute group tag */
+
+/**** New in CUPS 1.2 ****/
+  ipp_attribute_t	*prev;		/* Previous attribute (for read) @since CUPS 1.2/macOS 10.5@ */
+
+/**** New in CUPS 1.4.4 ****/
+  int			use;		/* Use count @since CUPS 1.4.4/macOS 10.6.?@ */
+/**** New in CUPS 2.0 ****/
+  int			atend,		/* At end of list? */
+			curindex;	/* Current attribute index for hierarchical search */
+};
+#  endif /* _IPP_PRIVATE_STRUCTURES */
+
+
+/*
+ * Prototypes...
+ */
+
+extern ipp_attribute_t	*ippAddBoolean(ipp_t *ipp, ipp_tag_t group,
+			               const char *name, char value);
+extern ipp_attribute_t	*ippAddBooleans(ipp_t *ipp, ipp_tag_t group,
+			                const char *name, int num_values,
+					const char *values);
+extern ipp_attribute_t	*ippAddDate(ipp_t *ipp, ipp_tag_t group,
+			            const char *name, const ipp_uchar_t *value);
+extern ipp_attribute_t	*ippAddInteger(ipp_t *ipp, ipp_tag_t group,
+			               ipp_tag_t value_tag, const char *name,
+				       int value);
+extern ipp_attribute_t	*ippAddIntegers(ipp_t *ipp, ipp_tag_t group,
+			                ipp_tag_t value_tag, const char *name,
+					int num_values, const int *values);
+extern ipp_attribute_t	*ippAddRange(ipp_t *ipp, ipp_tag_t group,
+			             const char *name, int lower, int upper);
+extern ipp_attribute_t	*ippAddRanges(ipp_t *ipp, ipp_tag_t group,
+			              const char *name, int num_values,
+				      const int *lower, const int *upper);
+extern ipp_attribute_t	*ippAddResolution(ipp_t *ipp, ipp_tag_t group,
+			                  const char *name, ipp_res_t units,
+					  int xres, int yres);
+extern ipp_attribute_t	*ippAddResolutions(ipp_t *ipp, ipp_tag_t group,
+			                   const char *name, int num_values,
+					   ipp_res_t units, const int *xres,
+					   const int *yres);
+extern ipp_attribute_t	*ippAddSeparator(ipp_t *ipp);
+extern ipp_attribute_t	*ippAddString(ipp_t *ipp, ipp_tag_t group,
+			              ipp_tag_t value_tag, const char *name,
+				      const char *language, const char *value);
+extern ipp_attribute_t	*ippAddStrings(ipp_t *ipp, ipp_tag_t group,
+			               ipp_tag_t value_tag, const char *name,
+				       int num_values, const char *language,
+				       const char * const *values);
+extern time_t		ippDateToTime(const ipp_uchar_t *date);
+extern void		ippDelete(ipp_t *ipp);
+extern const char	*ippErrorString(ipp_status_t error);
+extern ipp_attribute_t	*ippFindAttribute(ipp_t *ipp, const char *name,
+			                  ipp_tag_t value_tag);
+extern ipp_attribute_t	*ippFindNextAttribute(ipp_t *ipp, const char *name,
+			                      ipp_tag_t value_tag);
+extern size_t		ippLength(ipp_t *ipp);
+extern ipp_t		*ippNew(void);
+extern ipp_state_t	ippRead(http_t *http, ipp_t *ipp);
+extern const ipp_uchar_t *ippTimeToDate(time_t t);
+extern ipp_state_t	ippWrite(http_t *http, ipp_t *ipp);
+extern int		ippPort(void);
+extern void		ippSetPort(int p);
+
+/**** New in CUPS 1.1.19 ****/
+extern ipp_attribute_t	*ippAddCollection(ipp_t *ipp, ipp_tag_t group,
+			                  const char *name, ipp_t *value) _CUPS_API_1_1_19;
+extern ipp_attribute_t	*ippAddCollections(ipp_t *ipp, ipp_tag_t group,
+			                   const char *name, int num_values,
+					   const ipp_t **values) _CUPS_API_1_1_19;
+extern void		ippDeleteAttribute(ipp_t *ipp, ipp_attribute_t *attr) _CUPS_API_1_1_19;
+extern ipp_state_t	ippReadFile(int fd, ipp_t *ipp) _CUPS_API_1_1_19;
+extern ipp_state_t	ippWriteFile(int fd, ipp_t *ipp) _CUPS_API_1_1_19;
+
+/**** New in CUPS 1.2/macOS 10.5 ****/
+extern ipp_attribute_t	*ippAddOctetString(ipp_t *ipp, ipp_tag_t group,
+			                   const char *name,
+					   const void *data, int datalen) _CUPS_API_1_2;
+extern ipp_status_t	ippErrorValue(const char *name) _CUPS_API_1_2;
+extern ipp_t		*ippNewRequest(ipp_op_t op) _CUPS_API_1_2;
+extern const char	*ippOpString(ipp_op_t op) _CUPS_API_1_2;
+extern ipp_op_t		ippOpValue(const char *name) _CUPS_API_1_2;
+extern ipp_state_t	ippReadIO(void *src, ipp_iocb_t cb, int blocking,
+			          ipp_t *parent, ipp_t *ipp) _CUPS_API_1_2;
+extern ipp_state_t	ippWriteIO(void *dst, ipp_iocb_t cb, int blocking,
+			           ipp_t *parent, ipp_t *ipp) _CUPS_API_1_2;
+
+/**** New in CUPS 1.4/macOS 10.6 ****/
+extern const char	*ippTagString(ipp_tag_t tag) _CUPS_API_1_4;
+extern ipp_tag_t	ippTagValue(const char *name) _CUPS_API_1_4;
+
+/**** New in CUPS 1.6/macOS 10.8 ****/
+extern ipp_attribute_t	*ippAddOutOfBand(ipp_t *ipp, ipp_tag_t group,
+			                 ipp_tag_t value_tag, const char *name)
+			                 _CUPS_API_1_6;
+extern size_t		ippAttributeString(ipp_attribute_t *attr, char *buffer,
+			                   size_t bufsize) _CUPS_API_1_6;
+extern ipp_attribute_t	*ippCopyAttribute(ipp_t *dst, ipp_attribute_t *attr,
+			                 int quickcopy) _CUPS_API_1_6;
+extern int		ippCopyAttributes(ipp_t *dst, ipp_t *src,
+			                  int quickcopy, ipp_copycb_t cb,
+			                  void *context) _CUPS_API_1_6;
+extern int		ippDeleteValues(ipp_t *ipp, ipp_attribute_t **attr,
+			                int element, int count) _CUPS_API_1_6;
+extern const char	*ippEnumString(const char *attrname, int enumvalue)
+			               _CUPS_API_1_6;
+extern int		ippEnumValue(const char *attrname,
+			             const char *enumstring) _CUPS_API_1_6;
+extern ipp_attribute_t	*ippFirstAttribute(ipp_t *ipp) _CUPS_API_1_6;
+extern int		ippGetBoolean(ipp_attribute_t *attr, int element)
+			              _CUPS_API_1_6;
+extern ipp_t		*ippGetCollection(ipp_attribute_t *attr,
+			                  int element) _CUPS_API_1_6;
+extern int		ippGetCount(ipp_attribute_t *attr) _CUPS_API_1_6;
+extern const ipp_uchar_t *ippGetDate(ipp_attribute_t *attr, int element)
+			             _CUPS_API_1_6;
+extern ipp_tag_t	ippGetGroupTag(ipp_attribute_t *attr) _CUPS_API_1_6;
+extern int		ippGetInteger(ipp_attribute_t *attr, int element)
+			              _CUPS_API_1_6;
+extern const char	*ippGetName(ipp_attribute_t *attr) _CUPS_API_1_6;
+extern ipp_op_t		ippGetOperation(ipp_t *ipp) _CUPS_API_1_6;
+extern int		ippGetRange(ipp_attribute_t *attr, int element,
+			            int *upper) _CUPS_API_1_6;
+extern int		ippGetRequestId(ipp_t *ipp) _CUPS_API_1_6;
+extern int		ippGetResolution(ipp_attribute_t *attr, int element,
+			                 int *yres, ipp_res_t *units)
+			                 _CUPS_API_1_6;
+extern ipp_state_t	ippGetState(ipp_t *ipp) _CUPS_API_1_6;
+extern ipp_status_t	ippGetStatusCode(ipp_t *ipp) _CUPS_API_1_6;
+extern const char	*ippGetString(ipp_attribute_t *attr, int element,
+				      const char **language) _CUPS_API_1_6;
+extern ipp_tag_t	ippGetValueTag(ipp_attribute_t *attr) _CUPS_API_1_6;
+extern int		ippGetVersion(ipp_t *ipp, int *minor) _CUPS_API_1_6;
+extern ipp_attribute_t	*ippNextAttribute(ipp_t *ipp) _CUPS_API_1_6;
+extern int		ippSetBoolean(ipp_t *ipp, ipp_attribute_t **attr,
+			              int element, int boolvalue) _CUPS_API_1_6;
+extern int		ippSetCollection(ipp_t *ipp, ipp_attribute_t **attr,
+			                 int element, ipp_t *colvalue)
+			                 _CUPS_API_1_6;
+extern int		ippSetDate(ipp_t *ipp, ipp_attribute_t **attr,
+			            int element, const ipp_uchar_t *datevalue)
+				    _CUPS_API_1_6;
+extern int		ippSetGroupTag(ipp_t *ipp, ipp_attribute_t **attr,
+			               ipp_tag_t group_tag) _CUPS_API_1_6;
+extern int		ippSetInteger(ipp_t *ipp, ipp_attribute_t **attr,
+			              int element, int intvalue) _CUPS_API_1_6;
+extern int		ippSetName(ipp_t *ipp, ipp_attribute_t **attr,
+			            const char *name) _CUPS_API_1_6;
+extern int		ippSetOperation(ipp_t *ipp, ipp_op_t op) _CUPS_API_1_6;
+extern int		ippSetRange(ipp_t *ipp, ipp_attribute_t **attr,
+			            int element, int lowervalue, int uppervalue)
+			            _CUPS_API_1_6;
+extern int		ippSetRequestId(ipp_t *ipp, int request_id)
+			                _CUPS_API_1_6;
+extern int		ippSetResolution(ipp_t *ipp, ipp_attribute_t **attr,
+			                 int element, ipp_res_t unitsvalue,
+			                 int xresvalue, int yresvalue)
+			                 _CUPS_API_1_6;
+extern int		ippSetState(ipp_t *ipp, ipp_state_t state)
+			            _CUPS_API_1_6;
+extern int		ippSetStatusCode(ipp_t *ipp, ipp_status_t status)
+			                 _CUPS_API_1_6;
+extern int		ippSetString(ipp_t *ipp, ipp_attribute_t **attr,
+			             int element, const char *strvalue)
+			             _CUPS_API_1_6;
+extern int		ippSetValueTag(ipp_t *ipp, ipp_attribute_t **attr,
+			               ipp_tag_t value_tag) _CUPS_API_1_6;
+extern int		ippSetVersion(ipp_t *ipp, int major, int minor)
+			              _CUPS_API_1_6;
+
+/**** New in CUPS 1.7 ****/
+extern ipp_attribute_t	*ippAddStringf(ipp_t *ipp, ipp_tag_t group,
+			               ipp_tag_t value_tag, const char *name,
+			               const char *language, const char *format,
+			               ...) _CUPS_API_1_7;
+extern ipp_attribute_t	*ippAddStringfv(ipp_t *ipp, ipp_tag_t group,
+					ipp_tag_t value_tag, const char *name,
+					const char *language,
+					const char *format, va_list ap)
+					_CUPS_API_1_7;
+extern int		ippContainsInteger(ipp_attribute_t *attr, int value)
+			                   _CUPS_API_1_7;
+extern int		ippContainsString(ipp_attribute_t *attr,
+			                  const char *value) _CUPS_API_1_7;
+extern cups_array_t	*ippCreateRequestedArray(ipp_t *request) _CUPS_API_1_7;
+extern void		*ippGetOctetString(ipp_attribute_t *attr, int element,
+			                   int *datalen) _CUPS_API_1_7;
+extern ipp_t		*ippNewResponse(ipp_t *request) _CUPS_API_1_7;
+extern int		ippSetOctetString(ipp_t *ipp, ipp_attribute_t **attr,
+			                  int element, const void *data,
+					  int datalen) _CUPS_API_1_7;
+extern int		ippSetStringf(ipp_t *ipp, ipp_attribute_t **attr,
+			              int element, const char *format,
+				      ...) _CUPS_API_1_7;
+extern int		ippSetStringfv(ipp_t *ipp, ipp_attribute_t **attr,
+			               int element, const char *format,
+				       va_list ap) _CUPS_API_1_7;
+extern int		ippValidateAttribute(ipp_attribute_t *attr)
+			                     _CUPS_API_1_7;
+extern int		ippValidateAttributes(ipp_t *ipp) _CUPS_API_1_7;
+
+
+/**** New in CUPS 2.0 ****/
+extern const char	*ippStateString(ipp_state_t state) _CUPS_API_2_0;
+
+
+/*
+ * C++ magic...
+ */
+
+#  ifdef __cplusplus
+}
+#  endif /* __cplusplus */
+#endif /* !_CUPS_IPP_H_ */