2 * "$Id: ipp.h 5138 2006-02-21 10:49:06Z mike $"
4 * Internet Printing Protocol definitions for the Common UNIX Printing
7 * Copyright 1997-2006 by Easy Software Products.
9 * These coded instructions, statements, and computer programs are the
10 * property of Easy Software Products and are protected by Federal
11 * copyright law. Distribution and use rights are outlined in the file
12 * "LICENSE.txt" which should have been included with this file. If this
13 * file is missing or damaged please contact Easy Software Products
16 * Attn: CUPS Licensing Information
17 * Easy Software Products
18 * 44141 Airport View Drive, Suite 204
19 * Hollywood, Maryland 20636 USA
21 * Voice: (301) 373-9600
22 * EMail: cups-info@cups.org
23 * WWW: http://www.cups.org
25 * This file is subject to the Apple OS-Developed Software exception.
32 * Include necessary headers...
44 # endif /* __cplusplus */
48 * IPP version string...
51 # define IPP_VERSION "\001\001"
54 * IPP registered port number...
56 * Note: Applications should never use IPP_PORT, but instead use the
57 * ippPort() function to allow overrides via the IPP_PORT environment
58 * variable and services file if needed!
67 # define IPP_MAX_NAME 256
68 # define IPP_MAX_VALUES 8 /* Power-of-2 allocation increment */
72 * Types and structures...
75 typedef enum ipp_tag_e
/**** Format tags for attributes... ****/
77 IPP_TAG_ZERO
= 0x00, /* Zero tag - used for separators */
78 IPP_TAG_OPERATION
, /* Operation group */
79 IPP_TAG_JOB
, /* Job group */
80 IPP_TAG_END
, /* End-of-attributes */
81 IPP_TAG_PRINTER
, /* Printer group */
82 IPP_TAG_UNSUPPORTED_GROUP
, /* Unsupported attributes group */
83 IPP_TAG_SUBSCRIPTION
, /* Subscription group */
84 IPP_TAG_EVENT_NOTIFICATION
, /* Event group */
85 IPP_TAG_UNSUPPORTED_VALUE
= 0x10, /* Unsupported value */
86 IPP_TAG_DEFAULT
, /* Default value */
87 IPP_TAG_UNKNOWN
, /* Unknown value */
88 IPP_TAG_NOVALUE
, /* No-value value */
89 IPP_TAG_NOTSETTABLE
= 0x15, /* Not-settable value */
90 IPP_TAG_DELETEATTR
, /* Delete-attribute value */
91 IPP_TAG_ADMINDEFINE
, /* Admin-defined value */
92 IPP_TAG_INTEGER
= 0x21, /* Integer value */
93 IPP_TAG_BOOLEAN
, /* Boolean value */
94 IPP_TAG_ENUM
, /* Enumeration value */
95 IPP_TAG_STRING
= 0x30, /* Octet string value */
96 IPP_TAG_DATE
, /* Date/time value */
97 IPP_TAG_RESOLUTION
, /* Resolution value */
98 IPP_TAG_RANGE
, /* Range value */
99 IPP_TAG_BEGIN_COLLECTION
, /* Beginning of collection value */
100 IPP_TAG_TEXTLANG
, /* Text-with-language value */
101 IPP_TAG_NAMELANG
, /* Name-with-language value */
102 IPP_TAG_END_COLLECTION
, /* End of collection value */
103 IPP_TAG_TEXT
= 0x41, /* Text value */
104 IPP_TAG_NAME
, /* Name value */
105 IPP_TAG_KEYWORD
= 0x44, /* Keyword value */
106 IPP_TAG_URI
, /* URI value */
107 IPP_TAG_URISCHEME
, /* URI scheme value */
108 IPP_TAG_CHARSET
, /* Character set value */
109 IPP_TAG_LANGUAGE
, /* Language value */
110 IPP_TAG_MIMETYPE
, /* MIME media type value */
111 IPP_TAG_MEMBERNAME
, /* Collection member name value */
112 IPP_TAG_MASK
= 0x7fffffff, /* Mask for copied attribute values */
113 IPP_TAG_COPY
= -0x7fffffff-1 /* Bitflag for copied attribute values */
116 typedef enum ipp_res_e
/**** Resolution units... ****/
118 IPP_RES_PER_INCH
= 3, /* Pixels per inch */
119 IPP_RES_PER_CM
/* Pixels per centimeter */
122 typedef enum ipp_finish_e
/**** Finishings... ****/
124 IPP_FINISHINGS_NONE
= 3, /* No finishing */
125 IPP_FINISHINGS_STAPLE
, /* Staple (any location) */
126 IPP_FINISHINGS_PUNCH
, /* Punch (any location/count) */
127 IPP_FINISHINGS_COVER
, /* Add cover */
128 IPP_FINISHINGS_BIND
, /* Bind */
129 IPP_FINISHINGS_SADDLE_STITCH
, /* Staple interior */
130 IPP_FINISHINGS_EDGE_STITCH
, /* Stitch along any side */
131 IPP_FINISHINGS_FOLD
, /* Fold (any type) */
132 IPP_FINISHINGS_TRIM
, /* Trim (any type) */
133 IPP_FINISHINGS_BALE
, /* Bale (any type) */
134 IPP_FINISHINGS_BOOKLET_MAKER
, /* Fold to make booklet */
135 IPP_FINISHINGS_JOB_OFFSET
, /* Offset for binding (any type) */
136 IPP_FINISHINGS_STAPLE_TOP_LEFT
= 20, /* Staple top left corner */
137 IPP_FINISHINGS_STAPLE_BOTTOM_LEFT
, /* Staple bottom left corner */
138 IPP_FINISHINGS_STAPLE_TOP_RIGHT
, /* Staple top right corner */
139 IPP_FINISHINGS_STAPLE_BOTTOM_RIGHT
, /* Staple bottom right corner */
140 IPP_FINISHINGS_EDGE_STITCH_LEFT
, /* Stitch along left side */
141 IPP_FINISHINGS_EDGE_STITCH_TOP
, /* Stitch along top edge */
142 IPP_FINISHINGS_EDGE_STITCH_RIGHT
, /* Stitch along right side */
143 IPP_FINISHINGS_EDGE_STITCH_BOTTOM
, /* Stitch along bottom edge */
144 IPP_FINISHINGS_STAPLE_DUAL_LEFT
, /* Two staples on left */
145 IPP_FINISHINGS_STAPLE_DUAL_TOP
, /* Two staples on top */
146 IPP_FINISHINGS_STAPLE_DUAL_RIGHT
, /* Two staples on right */
147 IPP_FINISHINGS_STAPLE_DUAL_BOTTOM
, /* Two staples on bottom */
148 IPP_FINISHINGS_BIND_LEFT
= 50, /* Bind on left */
149 IPP_FINISHINGS_BIND_TOP
, /* Bind on top */
150 IPP_FINISHINGS_BIND_RIGHT
, /* Bind on right */
151 IPP_FINISHINGS_BIND_BOTTOM
/* Bind on bottom */
154 typedef enum ipp_orient_e
/**** Orientation... ****/
156 IPP_PORTRAIT
= 3, /* No rotation */
157 IPP_LANDSCAPE
, /* 90 degrees counter-clockwise */
158 IPP_REVERSE_LANDSCAPE
, /* 90 degrees clockwise */
159 IPP_REVERSE_PORTRAIT
/* 180 degrees */
162 typedef enum ipp_quality_e
/**** Qualities... ****/
164 IPP_QUALITY_DRAFT
= 3, /* Draft quality */
165 IPP_QUALITY_NORMAL
, /* Normal quality */
166 IPP_QUALITY_HIGH
/* High quality */
169 typedef enum ipp_jstate_e
/**** Job States.... */
171 IPP_JOB_PENDING
= 3, /* Job is waiting to be printed */
172 IPP_JOB_HELD
, /* Job is held for printing */
173 IPP_JOB_PROCESSING
, /* Job is currently printing */
174 IPP_JOB_STOPPED
, /* Job has been stopped */
175 IPP_JOB_CANCELLED
, /* Job has been cancelled */
176 IPP_JOB_ABORTED
, /* Job has aborted due to error */
177 IPP_JOB_COMPLETED
/* Job has completed successfully */
180 typedef enum ipp_pstate_e
/**** Printer States.... */
182 IPP_PRINTER_IDLE
= 3, /* Printer is idle */
183 IPP_PRINTER_PROCESSING
, /* Printer is working */
184 IPP_PRINTER_STOPPED
/* Printer is stopped */
187 typedef enum ipp_state_e
/**** IPP states... ****/
189 IPP_ERROR
= -1, /* An error occurred */
190 IPP_IDLE
, /* Nothing is happening/request completed */
191 IPP_HEADER
, /* The request header needs to be sent/received */
192 IPP_ATTRIBUTE
, /* One or more attributes need to be sent/received */
193 IPP_DATA
/* IPP request data needs to be sent/received */
196 typedef enum ipp_op_e
/**** IPP operations... ****/
198 IPP_PRINT_JOB
= 0x0002, /* Print a single file */
199 IPP_PRINT_URI
, /* Print a single URL @private@ */
200 IPP_VALIDATE_JOB
, /* Validate job options */
201 IPP_CREATE_JOB
, /* Create an empty print job */
202 IPP_SEND_DOCUMENT
, /* Add a file to a job */
203 IPP_SEND_URI
, /* Add a URL to a job @private@ */
204 IPP_CANCEL_JOB
, /* Cancel a job */
205 IPP_GET_JOB_ATTRIBUTES
, /* Get job attributes */
206 IPP_GET_JOBS
, /* Get a list of jobs */
207 IPP_GET_PRINTER_ATTRIBUTES
, /* Get printer attributes */
208 IPP_HOLD_JOB
, /* Hold a job for printing */
209 IPP_RELEASE_JOB
, /* Release a job for printing */
210 IPP_RESTART_JOB
, /* Reprint a job */
211 IPP_PAUSE_PRINTER
= 0x0010, /* Stop a printer */
212 IPP_RESUME_PRINTER
, /* Start a printer */
213 IPP_PURGE_JOBS
, /* Cancel all jobs */
214 IPP_SET_PRINTER_ATTRIBUTES
, /* Set printer attributes @private@ */
215 IPP_SET_JOB_ATTRIBUTES
, /* Set job attributes */
216 IPP_GET_PRINTER_SUPPORTED_VALUES
, /* Get supported attribute values */
217 IPP_CREATE_PRINTER_SUBSCRIPTION
, /* Create a printer subscription @since CUPS 1.2@ */
218 IPP_CREATE_JOB_SUBSCRIPTION
, /* Create a job subscription @since CUPS 1.2@ */
219 IPP_GET_SUBSCRIPTION_ATTRIBUTES
, /* Get subscription attributes @since CUPS 1.2@ */
220 IPP_GET_SUBSCRIPTIONS
, /* Get list of subscriptions @since CUPS 1.2@ */
221 IPP_RENEW_SUBSCRIPTION
, /* Renew a printer subscription @since CUPS 1.2@ */
222 IPP_CANCEL_SUBSCRIPTION
, /* Cancel a subscription @since CUPS 1.2@ */
223 IPP_GET_NOTIFICATIONS
, /* Get notification events @since CUPS 1.2@ */
224 IPP_SEND_NOTIFICATIONS
, /* Send notification events @private@ */
225 IPP_GET_PRINT_SUPPORT_FILES
= 0x0021, /* Get printer support files @private@ */
226 IPP_ENABLE_PRINTER
, /* Start a printer */
227 IPP_DISABLE_PRINTER
, /* Stop a printer */
228 IPP_PAUSE_PRINTER_AFTER_CURRENT_JOB
, /* Stop printer after the current job @private@ */
229 IPP_HOLD_NEW_JOBS
, /* Hold new jobs @private@ */
230 IPP_RELEASE_HELD_NEW_JOBS
, /* Release new jobs @private@ */
231 IPP_DEACTIVATE_PRINTER
, /* Stop a printer @private@ */
232 IPP_ACTIVATE_PRINTER
, /* Start a printer @private@ */
233 IPP_RESTART_PRINTER
, /* Restart a printer @private@ */
234 IPP_SHUTDOWN_PRINTER
, /* Turn a printer off @private@ */
235 IPP_STARTUP_PRINTER
, /* Turn a printer on @private@ */
236 IPP_REPROCESS_JOB
, /* Reprint a job @private@ */
237 IPP_CANCEL_CURRENT_JOB
, /* Cancel the current job @private@ */
238 IPP_SUSPEND_CURRENT_JOB
, /* Suspend the current job @private@ */
239 IPP_RESUME_JOB
, /* Resume the current job @private@ */
240 IPP_PROMOTE_JOB
, /* Promote a job to print sooner @private@ */
241 IPP_SCHEDULE_JOB_AFTER
, /* Schedule a job to print after another @private@ */
242 IPP_PRIVATE
= 0x4000, /* Reserved @private@ */
243 CUPS_GET_DEFAULT
, /* Get the default printer */
244 CUPS_GET_PRINTERS
, /* Get a list of printers and/or classes */
245 CUPS_ADD_MODIFY_PRINTER
, /* Add or modify a printer */
246 CUPS_DELETE_PRINTER
, /* Delete a printer */
247 CUPS_GET_CLASSES
, /* Get a list of classes @deprecated@ */
248 CUPS_ADD_MODIFY_CLASS
, /* Add or modify a class */
249 CUPS_DELETE_CLASS
, /* Delete a class */
250 CUPS_ACCEPT_JOBS
, /* Accept new jobs on a printer */
251 CUPS_REJECT_JOBS
, /* Reject new jobs on a printer */
252 CUPS_SET_DEFAULT
, /* Set the default printer */
253 CUPS_GET_DEVICES
, /* Get a list of supported devices */
254 CUPS_GET_PPDS
, /* Get a list of supported drivers */
255 CUPS_MOVE_JOB
, /* Move a job to a different printer */
256 CUPS_AUTHENTICATE_JOB
/* Authenticate a job @since CUPS 1.2@ */
259 /* Old names for the operations */
260 #define CUPS_ADD_PRINTER CUPS_ADD_MODIFY_PRINTER
261 #define CUPS_ADD_CLASS CUPS_ADD_MODIFY_CLASS
263 typedef enum ipp_status_e
/**** IPP status codes... ****/
265 IPP_OK
= 0x0000, /* successful-ok */
266 IPP_OK_SUBST
, /* successful-ok-ignored-or-substituted-attributes */
267 IPP_OK_CONFLICT
, /* successful-ok-conflicting-attributes */
268 IPP_OK_IGNORED_SUBSCRIPTIONS
, /* successful-ok-ignored-subscriptions */
269 IPP_OK_IGNORED_NOTIFICATIONS
, /* successful-ok-ignored-notifications */
270 IPP_OK_TOO_MANY_EVENTS
, /* successful-ok-too-many-events */
271 IPP_OK_BUT_CANCEL_SUBSCRIPTION
, /* successful-ok-but-cancel-subscription */
272 IPP_OK_EVENTS_COMPLETE
, /* successful-ok-events-complete */
273 IPP_REDIRECTION_OTHER_SITE
= 0x300, /* */
274 IPP_BAD_REQUEST
= 0x0400, /* client-error-bad-request */
275 IPP_FORBIDDEN
, /* client-error-forbidden */
276 IPP_NOT_AUTHENTICATED
, /* client-error-not-authenticated */
277 IPP_NOT_AUTHORIZED
, /* client-error-not-authorized */
278 IPP_NOT_POSSIBLE
, /* client-error-not-possible */
279 IPP_TIMEOUT
, /* client-error-timeout */
280 IPP_NOT_FOUND
, /* client-error-not-found */
281 IPP_GONE
, /* client-error-gone */
282 IPP_REQUEST_ENTITY
, /* client-error-request-entity-too-large */
283 IPP_REQUEST_VALUE
, /* client-error-request-value-too-long */
284 IPP_DOCUMENT_FORMAT
, /* client-error-document-format-not-supported */
285 IPP_ATTRIBUTES
, /* client-error-attributes-or-values-not-supported */
286 IPP_URI_SCHEME
, /* client-error-uri-scheme-not-supported */
287 IPP_CHARSET
, /* client-error-charset-not-supported */
288 IPP_CONFLICT
, /* client-error-conflicting-attributes */
289 IPP_COMPRESSION_NOT_SUPPORTED
, /* client-error-compression-not-supported */
290 IPP_COMPRESSION_ERROR
, /* client-error-compression-error */
291 IPP_DOCUMENT_FORMAT_ERROR
, /* client-error-document-format-error */
292 IPP_DOCUMENT_ACCESS_ERROR
, /* client-error-document-access-error */
293 IPP_ATTRIBUTES_NOT_SETTABLE
, /* client-error-attributes-not-settable */
294 IPP_IGNORED_ALL_SUBSCRIPTIONS
, /* client-error-ignored-all-subscriptions */
295 IPP_TOO_MANY_SUBSCRIPTIONS
, /* client-error-too-many-subscriptions */
296 IPP_IGNORED_ALL_NOTIFICATIONS
, /* client-error-ignored-all-notifications */
297 IPP_PRINT_SUPPORT_FILE_NOT_FOUND
, /* client-error-print-support-file-not-found */
299 IPP_INTERNAL_ERROR
= 0x0500, /* server-error-internal-error */
300 IPP_OPERATION_NOT_SUPPORTED
, /* server-error-operation-not-supported */
301 IPP_SERVICE_UNAVAILABLE
, /* server-error-service-unavailable */
302 IPP_VERSION_NOT_SUPPORTED
, /* server-error-version-not-supported */
303 IPP_DEVICE_ERROR
, /* server-error-device-error */
304 IPP_TEMPORARY_ERROR
, /* server-error-temporary-error */
305 IPP_NOT_ACCEPTING
, /* server-error-not-accepting-jobs */
306 IPP_PRINTER_BUSY
, /* server-error-busy */
307 IPP_ERROR_JOB_CANCELLED
, /* server-error-job-canceled */
308 IPP_MULTIPLE_JOBS_NOT_SUPPORTED
, /* server-error-multiple-document-jobs-not-supported */
309 IPP_PRINTER_IS_DEACTIVATED
/* server-error-printer-is-deactivated */
312 typedef unsigned char ipp_uchar_t
; /**** Unsigned 8-bit integer/character ****/
314 /**** New in CUPS 1.2 ****/
315 typedef ssize_t (*ipp_iocb_t
)(void *, ipp_uchar_t
*, size_t);
316 /**** IPP IO Callback Function @since CUPS 1.2@ ****/
318 typedef union ipp_request_u
/**** Request Header ****/
320 struct /* Any Header */
322 ipp_uchar_t version
[2]; /* Protocol version number */
323 int op_status
; /* Operation ID or status code*/
324 int request_id
; /* Request ID */
327 struct /* Operation Header */
329 ipp_uchar_t version
[2]; /* Protocol version number */
330 ipp_op_t operation_id
; /* Operation ID */
331 int request_id
; /* Request ID */
334 struct /* Status Header */
336 ipp_uchar_t version
[2]; /* Protocol version number */
337 ipp_status_t status_code
; /* Status code */
338 int request_id
; /* Request ID */
341 /**** New in CUPS 1.1.19 ****/
342 struct /* Event Header */
344 ipp_uchar_t version
[2]; /* Protocol version number */
345 ipp_status_t status_code
; /* Status code */
346 int request_id
; /* Request ID */
350 /**** New in CUPS 1.1.19 ****/
351 typedef struct ipp_s ipp_t
;
353 typedef union ipp_value_u
/**** Attribute Value ****/
355 int integer
; /* Integer/enumerated value */
357 char boolean
; /* Boolean value */
359 ipp_uchar_t date
[11]; /* Date/time value */
363 int xres
, /* Horizontal resolution */
364 yres
; /* Vertical resolution */
365 ipp_res_t units
; /* Resolution units */
366 } resolution
; /* Resolution value */
370 int lower
, /* Lower value */
371 upper
; /* Upper value */
372 } range
; /* Range of integers value */
376 char *charset
; /* Character set */
377 char *text
; /* String */
378 } string
; /* String with language value */
382 int length
; /* Length of attribute */
383 void *data
; /* Data in attribute */
384 } unknown
; /* Unknown attribute type */
386 /**** New in CUPS 1.1.19 ****/
387 ipp_t
*collection
; /* Collection value */
390 typedef struct ipp_attribute_s
/**** Attribute ****/
392 struct ipp_attribute_s
*next
; /* Next attribute in list */
393 ipp_tag_t group_tag
, /* Job/Printer/Operation group tag */
394 value_tag
; /* What type of value is it? */
395 char *name
; /* Name of attribute */
396 int num_values
; /* Number of values */
397 ipp_value_t values
[1]; /* Values */
400 struct ipp_s
/**** IPP Request/Response/Notification ****/
402 ipp_state_t state
; /* State of request */
403 ipp_request_t request
; /* Request header */
404 ipp_attribute_t
*attrs
; /* Attributes */
405 ipp_attribute_t
*last
; /* Last attribute in list */
406 ipp_attribute_t
*current
; /* Current attribute (for read/write) */
407 ipp_tag_t curtag
; /* Current attribute group tag */
409 /**** New in CUPS 1.2 ****/
410 ipp_attribute_t
*prev
; /* Previous attribute (for read) */
418 extern ipp_attribute_t
*ippAddBoolean(ipp_t
*ipp
, ipp_tag_t group
,
419 const char *name
, char value
);
420 extern ipp_attribute_t
*ippAddBooleans(ipp_t
*ipp
, ipp_tag_t group
,
421 const char *name
, int num_values
,
423 extern ipp_attribute_t
*ippAddDate(ipp_t
*ipp
, ipp_tag_t group
,
424 const char *name
, const ipp_uchar_t
*value
);
425 extern ipp_attribute_t
*ippAddInteger(ipp_t
*ipp
, ipp_tag_t group
,
426 ipp_tag_t type
, const char *name
,
428 extern ipp_attribute_t
*ippAddIntegers(ipp_t
*ipp
, ipp_tag_t group
,
429 ipp_tag_t type
, const char *name
,
430 int num_values
, const int *values
);
431 extern ipp_attribute_t
*ippAddRange(ipp_t
*ipp
, ipp_tag_t group
,
432 const char *name
, int lower
, int upper
);
433 extern ipp_attribute_t
*ippAddRanges(ipp_t
*ipp
, ipp_tag_t group
,
434 const char *name
, int num_values
,
435 const int *lower
, const int *upper
);
436 extern ipp_attribute_t
*ippAddResolution(ipp_t
*ipp
, ipp_tag_t group
,
437 const char *name
, ipp_res_t units
,
439 extern ipp_attribute_t
*ippAddResolutions(ipp_t
*ipp
, ipp_tag_t group
,
440 const char *name
, int num_values
,
441 ipp_res_t units
, const int *xres
,
443 extern ipp_attribute_t
*ippAddSeparator(ipp_t
*ipp
);
444 extern ipp_attribute_t
*ippAddString(ipp_t
*ipp
, ipp_tag_t group
,
445 ipp_tag_t type
, const char *name
,
446 const char *charset
, const char *value
);
447 extern ipp_attribute_t
*ippAddStrings(ipp_t
*ipp
, ipp_tag_t group
,
448 ipp_tag_t type
, const char *name
,
449 int num_values
, const char *charset
,
450 const char * const *values
);
451 extern time_t ippDateToTime(const ipp_uchar_t
*date
);
452 extern void ippDelete(ipp_t
*ipp
);
453 extern const char *ippErrorString(ipp_status_t error
);
454 extern ipp_attribute_t
*ippFindAttribute(ipp_t
*ipp
, const char *name
,
456 extern ipp_attribute_t
*ippFindNextAttribute(ipp_t
*ipp
, const char *name
,
458 extern size_t ippLength(ipp_t
*ipp
);
459 extern ipp_t
*ippNew(void);
460 extern ipp_state_t
ippRead(http_t
*http
, ipp_t
*ipp
);
461 extern const ipp_uchar_t
*ippTimeToDate(time_t t
);
462 extern ipp_state_t
ippWrite(http_t
*http
, ipp_t
*ipp
);
463 extern int ippPort(void);
464 extern void ippSetPort(int p
);
466 /**** New in CUPS 1.1.19 ****/
467 extern ipp_attribute_t
*ippAddCollection(ipp_t
*ipp
, ipp_tag_t group
,
468 const char *name
, ipp_t
*value
);
469 extern ipp_attribute_t
*ippAddCollections(ipp_t
*ipp
, ipp_tag_t group
,
470 const char *name
, int num_values
,
471 const ipp_t
**values
);
472 extern void ippDeleteAttribute(ipp_t
*ipp
, ipp_attribute_t
*attr
);
473 extern ipp_state_t
ippReadFile(int fd
, ipp_t
*ipp
);
474 extern ipp_state_t
ippWriteFile(int fd
, ipp_t
*ipp
);
476 /**** New in CUPS 1.2 ****/
477 extern ipp_attribute_t
*ippAddOctetString(ipp_t
*ipp
, ipp_tag_t group
,
479 const void *data
, int datalen
);
480 extern ipp_status_t
ippErrorValue(const char *name
);
481 extern ipp_t
*ippNewRequest(ipp_op_t op
);
482 extern const char *ippOpString(ipp_op_t op
);
483 extern ipp_op_t
ippOpValue(const char *name
);
484 extern ipp_state_t
ippReadIO(void *src
, ipp_iocb_t cb
, int blocking
,
485 ipp_t
*parent
, ipp_t
*ipp
);
486 extern ipp_state_t
ippWriteIO(void *dst
, ipp_iocb_t cb
, int blocking
,
487 ipp_t
*parent
, ipp_t
*ipp
);
496 # endif /* __cplusplus */
497 #endif /* !_CUPS_IPP_H_ */
500 * End of "$Id: ipp.h 5138 2006-02-21 10:49:06Z mike $".