2 * "$Id: ipp.h 6649 2007-07-11 21:46:42Z mike $"
4 * Internet Printing Protocol definitions for the Common UNIX Printing
7 * Copyright 2007 by Apple Inc.
8 * Copyright 1997-2006 by Easy Software Products.
10 * These coded instructions, statements, and computer programs are the
11 * property of Apple Inc. and are protected by Federal copyright
12 * law. Distribution and use rights are outlined in the file "LICENSE.txt"
13 * which should have been included with this file. If this file is
14 * file is missing or damaged, see the license at "http://www.cups.org/".
16 * This file is subject to the Apple OS-Developed Software exception.
23 * Include necessary headers...
35 # endif /* __cplusplus */
39 * IPP version string...
42 # define IPP_VERSION "\001\001"
45 * IPP registered port number...
47 * Note: Applications should never use IPP_PORT, but instead use the
48 * ippPort() function to allow overrides via the IPP_PORT environment
49 * variable and services file if needed!
58 # define IPP_MAX_NAME 256
59 # define IPP_MAX_VALUES 8 /* Power-of-2 allocation increment */
63 * Types and structures...
66 typedef enum ipp_tag_e
/**** Format tags for attributes... ****/
68 IPP_TAG_ZERO
= 0x00, /* Zero tag - used for separators */
69 IPP_TAG_OPERATION
, /* Operation group */
70 IPP_TAG_JOB
, /* Job group */
71 IPP_TAG_END
, /* End-of-attributes */
72 IPP_TAG_PRINTER
, /* Printer group */
73 IPP_TAG_UNSUPPORTED_GROUP
, /* Unsupported attributes group */
74 IPP_TAG_SUBSCRIPTION
, /* Subscription group */
75 IPP_TAG_EVENT_NOTIFICATION
, /* Event group */
76 IPP_TAG_UNSUPPORTED_VALUE
= 0x10, /* Unsupported value */
77 IPP_TAG_DEFAULT
, /* Default value */
78 IPP_TAG_UNKNOWN
, /* Unknown value */
79 IPP_TAG_NOVALUE
, /* No-value value */
80 IPP_TAG_NOTSETTABLE
= 0x15, /* Not-settable value */
81 IPP_TAG_DELETEATTR
, /* Delete-attribute value */
82 IPP_TAG_ADMINDEFINE
, /* Admin-defined value */
83 IPP_TAG_INTEGER
= 0x21, /* Integer value */
84 IPP_TAG_BOOLEAN
, /* Boolean value */
85 IPP_TAG_ENUM
, /* Enumeration value */
86 IPP_TAG_STRING
= 0x30, /* Octet string value */
87 IPP_TAG_DATE
, /* Date/time value */
88 IPP_TAG_RESOLUTION
, /* Resolution value */
89 IPP_TAG_RANGE
, /* Range value */
90 IPP_TAG_BEGIN_COLLECTION
, /* Beginning of collection value */
91 IPP_TAG_TEXTLANG
, /* Text-with-language value */
92 IPP_TAG_NAMELANG
, /* Name-with-language value */
93 IPP_TAG_END_COLLECTION
, /* End of collection value */
94 IPP_TAG_TEXT
= 0x41, /* Text value */
95 IPP_TAG_NAME
, /* Name value */
96 IPP_TAG_KEYWORD
= 0x44, /* Keyword value */
97 IPP_TAG_URI
, /* URI value */
98 IPP_TAG_URISCHEME
, /* URI scheme value */
99 IPP_TAG_CHARSET
, /* Character set value */
100 IPP_TAG_LANGUAGE
, /* Language value */
101 IPP_TAG_MIMETYPE
, /* MIME media type value */
102 IPP_TAG_MEMBERNAME
, /* Collection member name value */
103 IPP_TAG_MASK
= 0x7fffffff, /* Mask for copied attribute values */
104 IPP_TAG_COPY
= -0x7fffffff-1 /* Bitflag for copied attribute values */
107 typedef enum ipp_res_e
/**** Resolution units... ****/
109 IPP_RES_PER_INCH
= 3, /* Pixels per inch */
110 IPP_RES_PER_CM
/* Pixels per centimeter */
113 typedef enum ipp_finish_e
/**** Finishings... ****/
115 IPP_FINISHINGS_NONE
= 3, /* No finishing */
116 IPP_FINISHINGS_STAPLE
, /* Staple (any location) */
117 IPP_FINISHINGS_PUNCH
, /* Punch (any location/count) */
118 IPP_FINISHINGS_COVER
, /* Add cover */
119 IPP_FINISHINGS_BIND
, /* Bind */
120 IPP_FINISHINGS_SADDLE_STITCH
, /* Staple interior */
121 IPP_FINISHINGS_EDGE_STITCH
, /* Stitch along any side */
122 IPP_FINISHINGS_FOLD
, /* Fold (any type) */
123 IPP_FINISHINGS_TRIM
, /* Trim (any type) */
124 IPP_FINISHINGS_BALE
, /* Bale (any type) */
125 IPP_FINISHINGS_BOOKLET_MAKER
, /* Fold to make booklet */
126 IPP_FINISHINGS_JOB_OFFSET
, /* Offset for binding (any type) */
127 IPP_FINISHINGS_STAPLE_TOP_LEFT
= 20, /* Staple top left corner */
128 IPP_FINISHINGS_STAPLE_BOTTOM_LEFT
, /* Staple bottom left corner */
129 IPP_FINISHINGS_STAPLE_TOP_RIGHT
, /* Staple top right corner */
130 IPP_FINISHINGS_STAPLE_BOTTOM_RIGHT
, /* Staple bottom right corner */
131 IPP_FINISHINGS_EDGE_STITCH_LEFT
, /* Stitch along left side */
132 IPP_FINISHINGS_EDGE_STITCH_TOP
, /* Stitch along top edge */
133 IPP_FINISHINGS_EDGE_STITCH_RIGHT
, /* Stitch along right side */
134 IPP_FINISHINGS_EDGE_STITCH_BOTTOM
, /* Stitch along bottom edge */
135 IPP_FINISHINGS_STAPLE_DUAL_LEFT
, /* Two staples on left */
136 IPP_FINISHINGS_STAPLE_DUAL_TOP
, /* Two staples on top */
137 IPP_FINISHINGS_STAPLE_DUAL_RIGHT
, /* Two staples on right */
138 IPP_FINISHINGS_STAPLE_DUAL_BOTTOM
, /* Two staples on bottom */
139 IPP_FINISHINGS_BIND_LEFT
= 50, /* Bind on left */
140 IPP_FINISHINGS_BIND_TOP
, /* Bind on top */
141 IPP_FINISHINGS_BIND_RIGHT
, /* Bind on right */
142 IPP_FINISHINGS_BIND_BOTTOM
/* Bind on bottom */
145 typedef enum ipp_orient_e
/**** Orientation... ****/
147 IPP_PORTRAIT
= 3, /* No rotation */
148 IPP_LANDSCAPE
, /* 90 degrees counter-clockwise */
149 IPP_REVERSE_LANDSCAPE
, /* 90 degrees clockwise */
150 IPP_REVERSE_PORTRAIT
/* 180 degrees */
153 typedef enum ipp_quality_e
/**** Qualities... ****/
155 IPP_QUALITY_DRAFT
= 3, /* Draft quality */
156 IPP_QUALITY_NORMAL
, /* Normal quality */
157 IPP_QUALITY_HIGH
/* High quality */
160 typedef enum ipp_jstate_e
/**** Job States.... */
162 IPP_JOB_PENDING
= 3, /* Job is waiting to be printed */
163 IPP_JOB_HELD
, /* Job is held for printing */
164 IPP_JOB_PROCESSING
, /* Job is currently printing */
165 IPP_JOB_STOPPED
, /* Job has been stopped */
166 IPP_JOB_CANCELED
, /* Job has been canceled */
167 IPP_JOB_ABORTED
, /* Job has aborted due to error */
168 IPP_JOB_COMPLETED
/* Job has completed successfully */
170 #define IPP_JOB_CANCELLED IPP_JOB_CANCELED
172 typedef enum ipp_pstate_e
/**** Printer States.... */
174 IPP_PRINTER_IDLE
= 3, /* Printer is idle */
175 IPP_PRINTER_PROCESSING
, /* Printer is working */
176 IPP_PRINTER_STOPPED
/* Printer is stopped */
179 typedef enum ipp_state_e
/**** IPP states... ****/
181 IPP_ERROR
= -1, /* An error occurred */
182 IPP_IDLE
, /* Nothing is happening/request completed */
183 IPP_HEADER
, /* The request header needs to be sent/received */
184 IPP_ATTRIBUTE
, /* One or more attributes need to be sent/received */
185 IPP_DATA
/* IPP request data needs to be sent/received */
188 typedef enum ipp_op_e
/**** IPP operations... ****/
190 IPP_PRINT_JOB
= 0x0002, /* Print a single file */
191 IPP_PRINT_URI
, /* Print a single URL @private@ */
192 IPP_VALIDATE_JOB
, /* Validate job options */
193 IPP_CREATE_JOB
, /* Create an empty print job */
194 IPP_SEND_DOCUMENT
, /* Add a file to a job */
195 IPP_SEND_URI
, /* Add a URL to a job @private@ */
196 IPP_CANCEL_JOB
, /* Cancel a job */
197 IPP_GET_JOB_ATTRIBUTES
, /* Get job attributes */
198 IPP_GET_JOBS
, /* Get a list of jobs */
199 IPP_GET_PRINTER_ATTRIBUTES
, /* Get printer attributes */
200 IPP_HOLD_JOB
, /* Hold a job for printing */
201 IPP_RELEASE_JOB
, /* Release a job for printing */
202 IPP_RESTART_JOB
, /* Reprint a job */
203 IPP_PAUSE_PRINTER
= 0x0010, /* Stop a printer */
204 IPP_RESUME_PRINTER
, /* Start a printer */
205 IPP_PURGE_JOBS
, /* Cancel all jobs */
206 IPP_SET_PRINTER_ATTRIBUTES
, /* Set printer attributes @private@ */
207 IPP_SET_JOB_ATTRIBUTES
, /* Set job attributes */
208 IPP_GET_PRINTER_SUPPORTED_VALUES
, /* Get supported attribute values */
209 IPP_CREATE_PRINTER_SUBSCRIPTION
, /* Create a printer subscription @since CUPS 1.2@ */
210 IPP_CREATE_JOB_SUBSCRIPTION
, /* Create a job subscription @since CUPS 1.2@ */
211 IPP_GET_SUBSCRIPTION_ATTRIBUTES
, /* Get subscription attributes @since CUPS 1.2@ */
212 IPP_GET_SUBSCRIPTIONS
, /* Get list of subscriptions @since CUPS 1.2@ */
213 IPP_RENEW_SUBSCRIPTION
, /* Renew a printer subscription @since CUPS 1.2@ */
214 IPP_CANCEL_SUBSCRIPTION
, /* Cancel a subscription @since CUPS 1.2@ */
215 IPP_GET_NOTIFICATIONS
, /* Get notification events @since CUPS 1.2@ */
216 IPP_SEND_NOTIFICATIONS
, /* Send notification events @private@ */
217 IPP_GET_PRINT_SUPPORT_FILES
= 0x0021, /* Get printer support files @private@ */
218 IPP_ENABLE_PRINTER
, /* Start a printer */
219 IPP_DISABLE_PRINTER
, /* Stop a printer */
220 IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB
, /* Stop printer after the current job @private@ */
221 IPP_HOLD_NEW_JOBS
, /* Hold new jobs @private@ */
222 IPP_RELEASE_HELD_NEW_JOBS
, /* Release new jobs @private@ */
223 IPP_DEACTIVATE_PRINTER
, /* Stop a printer @private@ */
224 IPP_ACTIVATE_PRINTER
, /* Start a printer @private@ */
225 IPP_RESTART_PRINTER
, /* Restart a printer @private@ */
226 IPP_SHUTDOWN_PRINTER
, /* Turn a printer off @private@ */
227 IPP_STARTUP_PRINTER
, /* Turn a printer on @private@ */
228 IPP_REPROCESS_JOB
, /* Reprint a job @private@ */
229 IPP_CANCEL_CURRENT_JOB
, /* Cancel the current job @private@ */
230 IPP_SUSPEND_CURRENT_JOB
, /* Suspend the current job @private@ */
231 IPP_RESUME_JOB
, /* Resume the current job @private@ */
232 IPP_PROMOTE_JOB
, /* Promote a job to print sooner @private@ */
233 IPP_SCHEDULE_JOB_AFTER
, /* Schedule a job to print after another @private@ */
234 IPP_PRIVATE
= 0x4000, /* Reserved @private@ */
235 CUPS_GET_DEFAULT
, /* Get the default printer */
236 CUPS_GET_PRINTERS
, /* Get a list of printers and/or classes */
237 CUPS_ADD_MODIFY_PRINTER
, /* Add or modify a printer */
238 CUPS_DELETE_PRINTER
, /* Delete a printer */
239 CUPS_GET_CLASSES
, /* Get a list of classes @deprecated@ */
240 CUPS_ADD_MODIFY_CLASS
, /* Add or modify a class */
241 CUPS_DELETE_CLASS
, /* Delete a class */
242 CUPS_ACCEPT_JOBS
, /* Accept new jobs on a printer */
243 CUPS_REJECT_JOBS
, /* Reject new jobs on a printer */
244 CUPS_SET_DEFAULT
, /* Set the default printer */
245 CUPS_GET_DEVICES
, /* Get a list of supported devices */
246 CUPS_GET_PPDS
, /* Get a list of supported drivers */
247 CUPS_MOVE_JOB
, /* Move a job to a different printer */
248 CUPS_AUTHENTICATE_JOB
, /* Authenticate a job @since CUPS 1.2@ */
249 CUPS_GET_PPD
/* Get a PPD file @since CUPS 1.3@ */
252 /* Old names for the operations */
253 #define CUPS_ADD_PRINTER CUPS_ADD_MODIFY_PRINTER
254 #define CUPS_ADD_CLASS CUPS_ADD_MODIFY_CLASS
256 typedef enum ipp_status_e
/**** IPP status codes... ****/
258 IPP_OK
= 0x0000, /* successful-ok */
259 IPP_OK_SUBST
, /* successful-ok-ignored-or-substituted-attributes */
260 IPP_OK_CONFLICT
, /* successful-ok-conflicting-attributes */
261 IPP_OK_IGNORED_SUBSCRIPTIONS
, /* successful-ok-ignored-subscriptions */
262 IPP_OK_IGNORED_NOTIFICATIONS
, /* successful-ok-ignored-notifications */
263 IPP_OK_TOO_MANY_EVENTS
, /* successful-ok-too-many-events */
264 IPP_OK_BUT_CANCEL_SUBSCRIPTION
, /* successful-ok-but-cancel-subscription */
265 IPP_OK_EVENTS_COMPLETE
, /* successful-ok-events-complete */
266 IPP_REDIRECTION_OTHER_SITE
= 0x200, /* */
267 CUPS_SEE_OTHER
= 0x280, /* cups-see-other */
268 IPP_BAD_REQUEST
= 0x0400, /* client-error-bad-request */
269 IPP_FORBIDDEN
, /* client-error-forbidden */
270 IPP_NOT_AUTHENTICATED
, /* client-error-not-authenticated */
271 IPP_NOT_AUTHORIZED
, /* client-error-not-authorized */
272 IPP_NOT_POSSIBLE
, /* client-error-not-possible */
273 IPP_TIMEOUT
, /* client-error-timeout */
274 IPP_NOT_FOUND
, /* client-error-not-found */
275 IPP_GONE
, /* client-error-gone */
276 IPP_REQUEST_ENTITY
, /* client-error-request-entity-too-large */
277 IPP_REQUEST_VALUE
, /* client-error-request-value-too-long */
278 IPP_DOCUMENT_FORMAT
, /* client-error-document-format-not-supported */
279 IPP_ATTRIBUTES
, /* client-error-attributes-or-values-not-supported */
280 IPP_URI_SCHEME
, /* client-error-uri-scheme-not-supported */
281 IPP_CHARSET
, /* client-error-charset-not-supported */
282 IPP_CONFLICT
, /* client-error-conflicting-attributes */
283 IPP_COMPRESSION_NOT_SUPPORTED
, /* client-error-compression-not-supported */
284 IPP_COMPRESSION_ERROR
, /* client-error-compression-error */
285 IPP_DOCUMENT_FORMAT_ERROR
, /* client-error-document-format-error */
286 IPP_DOCUMENT_ACCESS_ERROR
, /* client-error-document-access-error */
287 IPP_ATTRIBUTES_NOT_SETTABLE
, /* client-error-attributes-not-settable */
288 IPP_IGNORED_ALL_SUBSCRIPTIONS
, /* client-error-ignored-all-subscriptions */
289 IPP_TOO_MANY_SUBSCRIPTIONS
, /* client-error-too-many-subscriptions */
290 IPP_IGNORED_ALL_NOTIFICATIONS
, /* client-error-ignored-all-notifications */
291 IPP_PRINT_SUPPORT_FILE_NOT_FOUND
, /* client-error-print-support-file-not-found */
293 IPP_INTERNAL_ERROR
= 0x0500, /* server-error-internal-error */
294 IPP_OPERATION_NOT_SUPPORTED
, /* server-error-operation-not-supported */
295 IPP_SERVICE_UNAVAILABLE
, /* server-error-service-unavailable */
296 IPP_VERSION_NOT_SUPPORTED
, /* server-error-version-not-supported */
297 IPP_DEVICE_ERROR
, /* server-error-device-error */
298 IPP_TEMPORARY_ERROR
, /* server-error-temporary-error */
299 IPP_NOT_ACCEPTING
, /* server-error-not-accepting-jobs */
300 IPP_PRINTER_BUSY
, /* server-error-busy */
301 IPP_ERROR_JOB_CANCELED
, /* server-error-job-canceled */
302 IPP_MULTIPLE_JOBS_NOT_SUPPORTED
, /* server-error-multiple-document-jobs-not-supported */
303 IPP_PRINTER_IS_DEACTIVATED
/* server-error-printer-is-deactivated */
305 #define IPP_ERROR_JOB_CANCELLED IPP_ERROR_JOB_CANCELED
307 typedef unsigned char ipp_uchar_t
; /**** Unsigned 8-bit integer/character ****/
309 /**** New in CUPS 1.2 ****/
310 typedef ssize_t (*ipp_iocb_t
)(void *, ipp_uchar_t
*, size_t);
311 /**** IPP IO Callback Function @since CUPS 1.2@ ****/
313 typedef union ipp_request_u
/**** Request Header ****/
315 struct /* Any Header */
317 ipp_uchar_t version
[2]; /* Protocol version number */
318 int op_status
; /* Operation ID or status code*/
319 int request_id
; /* Request ID */
322 struct /* Operation Header */
324 ipp_uchar_t version
[2]; /* Protocol version number */
325 ipp_op_t operation_id
; /* Operation ID */
326 int request_id
; /* Request ID */
329 struct /* Status Header */
331 ipp_uchar_t version
[2]; /* Protocol version number */
332 ipp_status_t status_code
; /* Status code */
333 int request_id
; /* Request ID */
336 /**** New in CUPS 1.1.19 ****/
337 struct /* Event Header */
339 ipp_uchar_t version
[2]; /* Protocol version number */
340 ipp_status_t status_code
; /* Status code */
341 int request_id
; /* Request ID */
345 /**** New in CUPS 1.1.19 ****/
346 typedef struct ipp_s ipp_t
;
348 typedef union ipp_value_u
/**** Attribute Value ****/
350 int integer
; /* Integer/enumerated value */
352 char boolean
; /* Boolean value */
354 ipp_uchar_t date
[11]; /* Date/time value */
358 int xres
, /* Horizontal resolution */
359 yres
; /* Vertical resolution */
360 ipp_res_t units
; /* Resolution units */
361 } resolution
; /* Resolution value */
365 int lower
, /* Lower value */
366 upper
; /* Upper value */
367 } range
; /* Range of integers value */
371 char *charset
; /* Character set */
372 char *text
; /* String */
373 } string
; /* String with language value */
377 int length
; /* Length of attribute */
378 void *data
; /* Data in attribute */
379 } unknown
; /* Unknown attribute type */
381 /**** New in CUPS 1.1.19 ****/
382 ipp_t
*collection
; /* Collection value */
385 typedef struct ipp_attribute_s
/**** Attribute ****/
387 struct ipp_attribute_s
*next
; /* Next attribute in list */
388 ipp_tag_t group_tag
, /* Job/Printer/Operation group tag */
389 value_tag
; /* What type of value is it? */
390 char *name
; /* Name of attribute */
391 int num_values
; /* Number of values */
392 ipp_value_t values
[1]; /* Values */
395 struct ipp_s
/**** IPP Request/Response/Notification ****/
397 ipp_state_t state
; /* State of request */
398 ipp_request_t request
; /* Request header */
399 ipp_attribute_t
*attrs
; /* Attributes */
400 ipp_attribute_t
*last
; /* Last attribute in list */
401 ipp_attribute_t
*current
; /* Current attribute (for read/write) */
402 ipp_tag_t curtag
; /* Current attribute group tag */
404 /**** New in CUPS 1.2 ****/
405 ipp_attribute_t
*prev
; /* Previous attribute (for read) */
413 extern ipp_attribute_t
*ippAddBoolean(ipp_t
*ipp
, ipp_tag_t group
,
414 const char *name
, char value
);
415 extern ipp_attribute_t
*ippAddBooleans(ipp_t
*ipp
, ipp_tag_t group
,
416 const char *name
, int num_values
,
418 extern ipp_attribute_t
*ippAddDate(ipp_t
*ipp
, ipp_tag_t group
,
419 const char *name
, const ipp_uchar_t
*value
);
420 extern ipp_attribute_t
*ippAddInteger(ipp_t
*ipp
, ipp_tag_t group
,
421 ipp_tag_t type
, const char *name
,
423 extern ipp_attribute_t
*ippAddIntegers(ipp_t
*ipp
, ipp_tag_t group
,
424 ipp_tag_t type
, const char *name
,
425 int num_values
, const int *values
);
426 extern ipp_attribute_t
*ippAddRange(ipp_t
*ipp
, ipp_tag_t group
,
427 const char *name
, int lower
, int upper
);
428 extern ipp_attribute_t
*ippAddRanges(ipp_t
*ipp
, ipp_tag_t group
,
429 const char *name
, int num_values
,
430 const int *lower
, const int *upper
);
431 extern ipp_attribute_t
*ippAddResolution(ipp_t
*ipp
, ipp_tag_t group
,
432 const char *name
, ipp_res_t units
,
434 extern ipp_attribute_t
*ippAddResolutions(ipp_t
*ipp
, ipp_tag_t group
,
435 const char *name
, int num_values
,
436 ipp_res_t units
, const int *xres
,
438 extern ipp_attribute_t
*ippAddSeparator(ipp_t
*ipp
);
439 extern ipp_attribute_t
*ippAddString(ipp_t
*ipp
, ipp_tag_t group
,
440 ipp_tag_t type
, const char *name
,
441 const char *charset
, const char *value
);
442 extern ipp_attribute_t
*ippAddStrings(ipp_t
*ipp
, ipp_tag_t group
,
443 ipp_tag_t type
, const char *name
,
444 int num_values
, const char *charset
,
445 const char * const *values
);
446 extern time_t ippDateToTime(const ipp_uchar_t
*date
);
447 extern void ippDelete(ipp_t
*ipp
);
448 extern const char *ippErrorString(ipp_status_t error
);
449 extern ipp_attribute_t
*ippFindAttribute(ipp_t
*ipp
, const char *name
,
451 extern ipp_attribute_t
*ippFindNextAttribute(ipp_t
*ipp
, const char *name
,
453 extern size_t ippLength(ipp_t
*ipp
);
454 extern ipp_t
*ippNew(void);
455 extern ipp_state_t
ippRead(http_t
*http
, ipp_t
*ipp
);
456 extern const ipp_uchar_t
*ippTimeToDate(time_t t
);
457 extern ipp_state_t
ippWrite(http_t
*http
, ipp_t
*ipp
);
458 extern int ippPort(void);
459 extern void ippSetPort(int p
);
461 /**** New in CUPS 1.1.19 ****/
462 extern ipp_attribute_t
*ippAddCollection(ipp_t
*ipp
, ipp_tag_t group
,
463 const char *name
, ipp_t
*value
);
464 extern ipp_attribute_t
*ippAddCollections(ipp_t
*ipp
, ipp_tag_t group
,
465 const char *name
, int num_values
,
466 const ipp_t
**values
);
467 extern void ippDeleteAttribute(ipp_t
*ipp
, ipp_attribute_t
*attr
);
468 extern ipp_state_t
ippReadFile(int fd
, ipp_t
*ipp
);
469 extern ipp_state_t
ippWriteFile(int fd
, ipp_t
*ipp
);
471 /**** New in CUPS 1.2 ****/
472 extern ipp_attribute_t
*ippAddOctetString(ipp_t
*ipp
, ipp_tag_t group
,
474 const void *data
, int datalen
);
475 extern ipp_status_t
ippErrorValue(const char *name
);
476 extern ipp_t
*ippNewRequest(ipp_op_t op
);
477 extern const char *ippOpString(ipp_op_t op
);
478 extern ipp_op_t
ippOpValue(const char *name
);
479 extern ipp_state_t
ippReadIO(void *src
, ipp_iocb_t cb
, int blocking
,
480 ipp_t
*parent
, ipp_t
*ipp
);
481 extern ipp_state_t
ippWriteIO(void *dst
, ipp_iocb_t cb
, int blocking
,
482 ipp_t
*parent
, ipp_t
*ipp
);
491 # endif /* __cplusplus */
492 #endif /* !_CUPS_IPP_H_ */
495 * End of "$Id: ipp.h 6649 2007-07-11 21:46:42Z mike $".