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<div id="projectname">EXIF library (libexif) API
 <span id="projectnumber">0.6.21</span>
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<div class="title">exif-tag.h File Reference</div> </div>
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<p>Handling EXIF tags.
<a href="#details">More...</a></p>
<div class="textblock"><code>#include <libexif/exif-ifd.h></code><br />
<code>#include <libexif/exif-data-type.h></code><br />
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<p><a href="exif-tag_8h_source.html">Go to the source code of this file.</a></p>
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Macros</h2></td></tr>
<tr class="memitem:a3eb8344c6f6f4618a4f9adf6b4f9bc30"><td class="memItemLeft" align="right" valign="top"><a id="a3eb8344c6f6f4618a4f9adf6b4f9bc30"></a>
#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_VERSION_ID</b>   0x0000</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_LATITUDE_REF</b>   0x0001 /* INTEROPERABILITY_INDEX */</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_LATITUDE</b>   0x0002 /* INTEROPERABILITY_VERSION */</td></tr>
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<tr class="memitem:a388d67a713b4f177e248c7567e9b8d70"><td class="memItemLeft" align="right" valign="top"><a id="a388d67a713b4f177e248c7567e9b8d70"></a>
#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_LONGITUDE_REF</b>   0x0003</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_LONGITUDE</b>   0x0004</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_ALTITUDE_REF</b>   0x0005</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_ALTITUDE</b>   0x0006</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_TIME_STAMP</b>   0x0007</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_SATELLITES</b>   0x0008</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_STATUS</b>   0x0009</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_MEASURE_MODE</b>   0x000a</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_DOP</b>   0x000b</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_SPEED_REF</b>   0x000c</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_SPEED</b>   0x000d</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_TRACK_REF</b>   0x000e</td></tr>
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<tr class="memitem:a904d05cef43228a83a676f072fd136b4"><td class="memItemLeft" align="right" valign="top"><a id="a904d05cef43228a83a676f072fd136b4"></a>
#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_TRACK</b>   0x000f</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_IMG_DIRECTION_REF</b>   0x0010</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_IMG_DIRECTION</b>   0x0011</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_MAP_DATUM</b>   0x0012</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_DEST_LATITUDE_REF</b>   0x0013</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_DEST_LATITUDE</b>   0x0014</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_DEST_LONGITUDE_REF</b>   0x0015</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_DEST_LONGITUDE</b>   0x0016</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_DEST_BEARING_REF</b>   0x0017</td></tr>
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<tr class="memitem:a6a1cd243abcca2a5824a5f8d7c2df483"><td class="memItemLeft" align="right" valign="top"><a id="a6a1cd243abcca2a5824a5f8d7c2df483"></a>
#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_DEST_BEARING</b>   0x0018</td></tr>
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<tr class="memitem:a255f0e32221c6c9a76764d888446a9f8"><td class="memItemLeft" align="right" valign="top"><a id="a255f0e32221c6c9a76764d888446a9f8"></a>
#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_DEST_DISTANCE_REF</b>   0x0019</td></tr>
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<tr class="memitem:a791ee4492e394b2d7105051416033d08"><td class="memItemLeft" align="right" valign="top"><a id="a791ee4492e394b2d7105051416033d08"></a>
#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_DEST_DISTANCE</b>   0x001a</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_PROCESSING_METHOD</b>   0x001b</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_AREA_INFORMATION</b>   0x001c</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_DATE_STAMP</b>   0x001d</td></tr>
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#define </td><td class="memItemRight" valign="bottom"><b>EXIF_TAG_GPS_DIFFERENTIAL</b>   0x001e</td></tr>
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<tr class="memitem:a237d74c6aad78ef755d5d4c2ecdd3f3d"><td class="memItemLeft" align="right" valign="top">#define </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-tag_8h.html#a237d74c6aad78ef755d5d4c2ecdd3f3d">EXIF_TAG_UNKNOWN_C4A5</a>   EXIF_TAG_PRINT_IMAGE_MATCHING</td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:a1a0ded93d47585f6889eb546915d0f41"><td class="memItemLeft" align="right" valign="top"><a id="a1a0ded93d47585f6889eb546915d0f41"></a>enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> { <br />
  <b>EXIF_TAG_INTEROPERABILITY_INDEX</b> = 0x0001,
<b>EXIF_TAG_INTEROPERABILITY_VERSION</b> = 0x0002,
<b>EXIF_TAG_NEW_SUBFILE_TYPE</b> = 0x00fe,
<b>EXIF_TAG_IMAGE_WIDTH</b> = 0x0100,
<br />
  <b>EXIF_TAG_IMAGE_LENGTH</b> = 0x0101,
<b>EXIF_TAG_BITS_PER_SAMPLE</b> = 0x0102,
<b>EXIF_TAG_COMPRESSION</b> = 0x0103,
<b>EXIF_TAG_PHOTOMETRIC_INTERPRETATION</b> = 0x0106,
<br />
  <b>EXIF_TAG_FILL_ORDER</b> = 0x010a,
<b>EXIF_TAG_DOCUMENT_NAME</b> = 0x010d,
<b>EXIF_TAG_IMAGE_DESCRIPTION</b> = 0x010e,
<b>EXIF_TAG_MAKE</b> = 0x010f,
<br />
  <b>EXIF_TAG_MODEL</b> = 0x0110,
<b>EXIF_TAG_STRIP_OFFSETS</b> = 0x0111,
<b>EXIF_TAG_ORIENTATION</b> = 0x0112,
<b>EXIF_TAG_SAMPLES_PER_PIXEL</b> = 0x0115,
<br />
  <b>EXIF_TAG_ROWS_PER_STRIP</b> = 0x0116,
<b>EXIF_TAG_STRIP_BYTE_COUNTS</b> = 0x0117,
<b>EXIF_TAG_X_RESOLUTION</b> = 0x011a,
<b>EXIF_TAG_Y_RESOLUTION</b> = 0x011b,
<br />
  <b>EXIF_TAG_PLANAR_CONFIGURATION</b> = 0x011c,
<b>EXIF_TAG_RESOLUTION_UNIT</b> = 0x0128,
<b>EXIF_TAG_TRANSFER_FUNCTION</b> = 0x012d,
<b>EXIF_TAG_SOFTWARE</b> = 0x0131,
<br />
  <b>EXIF_TAG_DATE_TIME</b> = 0x0132,
<b>EXIF_TAG_ARTIST</b> = 0x013b,
<b>EXIF_TAG_WHITE_POINT</b> = 0x013e,
<b>EXIF_TAG_PRIMARY_CHROMATICITIES</b> = 0x013f,
<br />
  <b>EXIF_TAG_SUB_IFDS</b> = 0x014a,
<b>EXIF_TAG_TRANSFER_RANGE</b> = 0x0156,
<b>EXIF_TAG_JPEG_PROC</b> = 0x0200,
<b>EXIF_TAG_JPEG_INTERCHANGE_FORMAT</b> = 0x0201,
<br />
  <b>EXIF_TAG_JPEG_INTERCHANGE_FORMAT_LENGTH</b> = 0x0202,
<b>EXIF_TAG_YCBCR_COEFFICIENTS</b> = 0x0211,
<b>EXIF_TAG_YCBCR_SUB_SAMPLING</b> = 0x0212,
<b>EXIF_TAG_YCBCR_POSITIONING</b> = 0x0213,
<br />
  <b>EXIF_TAG_REFERENCE_BLACK_WHITE</b> = 0x0214,
<b>EXIF_TAG_XML_PACKET</b> = 0x02bc,
<b>EXIF_TAG_RELATED_IMAGE_FILE_FORMAT</b> = 0x1000,
<b>EXIF_TAG_RELATED_IMAGE_WIDTH</b> = 0x1001,
<br />
  <b>EXIF_TAG_RELATED_IMAGE_LENGTH</b> = 0x1002,
<b>EXIF_TAG_CFA_REPEAT_PATTERN_DIM</b> = 0x828d,
<b>EXIF_TAG_CFA_PATTERN</b> = 0x828e,
<b>EXIF_TAG_BATTERY_LEVEL</b> = 0x828f,
<br />
  <b>EXIF_TAG_COPYRIGHT</b> = 0x8298,
<b>EXIF_TAG_EXPOSURE_TIME</b> = 0x829a,
<b>EXIF_TAG_FNUMBER</b> = 0x829d,
<b>EXIF_TAG_IPTC_NAA</b> = 0x83bb,
<br />
  <b>EXIF_TAG_IMAGE_RESOURCES</b> = 0x8649,
<b>EXIF_TAG_EXIF_IFD_POINTER</b> = 0x8769,
<b>EXIF_TAG_INTER_COLOR_PROFILE</b> = 0x8773,
<b>EXIF_TAG_EXPOSURE_PROGRAM</b> = 0x8822,
<br />
  <b>EXIF_TAG_SPECTRAL_SENSITIVITY</b> = 0x8824,
<b>EXIF_TAG_GPS_INFO_IFD_POINTER</b> = 0x8825,
<b>EXIF_TAG_ISO_SPEED_RATINGS</b> = 0x8827,
<b>EXIF_TAG_OECF</b> = 0x8828,
<br />
  <b>EXIF_TAG_TIME_ZONE_OFFSET</b> = 0x882a,
<b>EXIF_TAG_EXIF_VERSION</b> = 0x9000,
<b>EXIF_TAG_DATE_TIME_ORIGINAL</b> = 0x9003,
<b>EXIF_TAG_DATE_TIME_DIGITIZED</b> = 0x9004,
<br />
  <b>EXIF_TAG_COMPONENTS_CONFIGURATION</b> = 0x9101,
<b>EXIF_TAG_COMPRESSED_BITS_PER_PIXEL</b> = 0x9102,
<b>EXIF_TAG_SHUTTER_SPEED_VALUE</b> = 0x9201,
<b>EXIF_TAG_APERTURE_VALUE</b> = 0x9202,
<br />
  <b>EXIF_TAG_BRIGHTNESS_VALUE</b> = 0x9203,
<b>EXIF_TAG_EXPOSURE_BIAS_VALUE</b> = 0x9204,
<b>EXIF_TAG_MAX_APERTURE_VALUE</b> = 0x9205,
<b>EXIF_TAG_SUBJECT_DISTANCE</b> = 0x9206,
<br />
  <b>EXIF_TAG_METERING_MODE</b> = 0x9207,
<b>EXIF_TAG_LIGHT_SOURCE</b> = 0x9208,
<b>EXIF_TAG_FLASH</b> = 0x9209,
<b>EXIF_TAG_FOCAL_LENGTH</b> = 0x920a,
<br />
  <b>EXIF_TAG_SUBJECT_AREA</b> = 0x9214,
<b>EXIF_TAG_TIFF_EP_STANDARD_ID</b> = 0x9216,
<b>EXIF_TAG_MAKER_NOTE</b> = 0x927c,
<b>EXIF_TAG_USER_COMMENT</b> = 0x9286,
<br />
  <b>EXIF_TAG_SUB_SEC_TIME</b> = 0x9290,
<b>EXIF_TAG_SUB_SEC_TIME_ORIGINAL</b> = 0x9291,
<b>EXIF_TAG_SUB_SEC_TIME_DIGITIZED</b> = 0x9292,
<b>EXIF_TAG_XP_TITLE</b> = 0x9c9b,
<br />
  <b>EXIF_TAG_XP_COMMENT</b> = 0x9c9c,
<b>EXIF_TAG_XP_AUTHOR</b> = 0x9c9d,
<b>EXIF_TAG_XP_KEYWORDS</b> = 0x9c9e,
<b>EXIF_TAG_XP_SUBJECT</b> = 0x9c9f,
<br />
  <b>EXIF_TAG_FLASH_PIX_VERSION</b> = 0xa000,
<b>EXIF_TAG_COLOR_SPACE</b> = 0xa001,
<b>EXIF_TAG_PIXEL_X_DIMENSION</b> = 0xa002,
<b>EXIF_TAG_PIXEL_Y_DIMENSION</b> = 0xa003,
<br />
  <b>EXIF_TAG_RELATED_SOUND_FILE</b> = 0xa004,
<b>EXIF_TAG_INTEROPERABILITY_IFD_POINTER</b> = 0xa005,
<b>EXIF_TAG_FLASH_ENERGY</b> = 0xa20b,
<b>EXIF_TAG_SPATIAL_FREQUENCY_RESPONSE</b> = 0xa20c,
<br />
  <b>EXIF_TAG_FOCAL_PLANE_X_RESOLUTION</b> = 0xa20e,
<b>EXIF_TAG_FOCAL_PLANE_Y_RESOLUTION</b> = 0xa20f,
<b>EXIF_TAG_FOCAL_PLANE_RESOLUTION_UNIT</b> = 0xa210,
<b>EXIF_TAG_SUBJECT_LOCATION</b> = 0xa214,
<br />
  <b>EXIF_TAG_EXPOSURE_INDEX</b> = 0xa215,
<b>EXIF_TAG_SENSING_METHOD</b> = 0xa217,
<b>EXIF_TAG_FILE_SOURCE</b> = 0xa300,
<b>EXIF_TAG_SCENE_TYPE</b> = 0xa301,
<br />
  <b>EXIF_TAG_NEW_CFA_PATTERN</b> = 0xa302,
<b>EXIF_TAG_CUSTOM_RENDERED</b> = 0xa401,
<b>EXIF_TAG_EXPOSURE_MODE</b> = 0xa402,
<b>EXIF_TAG_WHITE_BALANCE</b> = 0xa403,
<br />
  <b>EXIF_TAG_DIGITAL_ZOOM_RATIO</b> = 0xa404,
<b>EXIF_TAG_FOCAL_LENGTH_IN_35MM_FILM</b> = 0xa405,
<b>EXIF_TAG_SCENE_CAPTURE_TYPE</b> = 0xa406,
<b>EXIF_TAG_GAIN_CONTROL</b> = 0xa407,
<br />
  <b>EXIF_TAG_CONTRAST</b> = 0xa408,
<b>EXIF_TAG_SATURATION</b> = 0xa409,
<b>EXIF_TAG_SHARPNESS</b> = 0xa40a,
<b>EXIF_TAG_DEVICE_SETTING_DESCRIPTION</b> = 0xa40b,
<br />
  <b>EXIF_TAG_SUBJECT_DISTANCE_RANGE</b> = 0xa40c,
<b>EXIF_TAG_IMAGE_UNIQUE_ID</b> = 0xa420,
<b>EXIF_TAG_GAMMA</b> = 0xa500,
<b>EXIF_TAG_PRINT_IMAGE_MATCHING</b> = 0xc4a5,
<br />
  <b>EXIF_TAG_PADDING</b> = 0xea1c
<br />
}<tr class="memdesc:a1a0ded93d47585f6889eb546915d0f41"><td class="mdescLeft"> </td><td class="mdescRight">EXIF tags. <br /></td></tr>
</td></tr>
<tr class="separator:a1a0ded93d47585f6889eb546915d0f41"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aab34677f82c1f5f17df13e4912659ddb"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddb">ExifSupportLevel</a> { <a class="el" href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddba12087c37442e85647656215206117419">EXIF_SUPPORT_LEVEL_UNKNOWN</a> = 0,
<a class="el" href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddba51dbe231f8df9b73d8e3dea5d8ccc1d2">EXIF_SUPPORT_LEVEL_NOT_RECORDED</a>,
<a class="el" href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddbaddc3006a2f625757fd9ad5be91e4ca40">EXIF_SUPPORT_LEVEL_MANDATORY</a>,
<a class="el" href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddba223d4b5f60d18a5b37871844bd06728d">EXIF_SUPPORT_LEVEL_OPTIONAL</a>
}<tr class="memdesc:aab34677f82c1f5f17df13e4912659ddb"><td class="mdescLeft"> </td><td class="mdescRight">What level of support a tag enjoys in the EXIF standard. <a href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddb">More...</a><br /></td></tr>
</td></tr>
<tr class="separator:aab34677f82c1f5f17df13e4912659ddb"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a>
Functions</h2></td></tr>
<tr class="memitem:a79ec377467cf682ecd46bcd6fb8d73ac"><td class="memItemLeft" align="right" valign="top"><a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-tag_8h.html#a79ec377467cf682ecd46bcd6fb8d73ac">exif_tag_from_name</a> (const char *name)</td></tr>
<tr class="memdesc:a79ec377467cf682ecd46bcd6fb8d73ac"><td class="mdescLeft"> </td><td class="mdescRight">Return the tag ID given its unique textual name. <a href="#a79ec377467cf682ecd46bcd6fb8d73ac">More...</a><br /></td></tr>
<tr class="separator:a79ec377467cf682ecd46bcd6fb8d73ac"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a82b5a88d44d27d432afb5a1db74268b0"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-tag_8h.html#a82b5a88d44d27d432afb5a1db74268b0">exif_tag_get_name_in_ifd</a> (<a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> tag, ExifIfd ifd)</td></tr>
<tr class="memdesc:a82b5a88d44d27d432afb5a1db74268b0"><td class="mdescLeft"> </td><td class="mdescRight">Return a textual name of the given tag when found in the given IFD. <a href="#a82b5a88d44d27d432afb5a1db74268b0">More...</a><br /></td></tr>
<tr class="separator:a82b5a88d44d27d432afb5a1db74268b0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa305689da4ceb3e86692377393dcc142"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-tag_8h.html#aa305689da4ceb3e86692377393dcc142">exif_tag_get_title_in_ifd</a> (<a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> tag, ExifIfd ifd)</td></tr>
<tr class="memdesc:aa305689da4ceb3e86692377393dcc142"><td class="mdescLeft"> </td><td class="mdescRight">Return a textual title of the given tag when found in the given IFD. <a href="#aa305689da4ceb3e86692377393dcc142">More...</a><br /></td></tr>
<tr class="separator:aa305689da4ceb3e86692377393dcc142"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afd8e9f0aaadbd22fa007f58789279d9c"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-tag_8h.html#afd8e9f0aaadbd22fa007f58789279d9c">exif_tag_get_description_in_ifd</a> (<a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> tag, ExifIfd ifd)</td></tr>
<tr class="memdesc:afd8e9f0aaadbd22fa007f58789279d9c"><td class="mdescLeft"> </td><td class="mdescRight">Return a verbose textual description of the given tag when found in the given IFD. <a href="#afd8e9f0aaadbd22fa007f58789279d9c">More...</a><br /></td></tr>
<tr class="separator:afd8e9f0aaadbd22fa007f58789279d9c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a90f76ad051d48ed87fafa8aca39f98e2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddb">ExifSupportLevel</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-tag_8h.html#a90f76ad051d48ed87fafa8aca39f98e2">exif_tag_get_support_level_in_ifd</a> (<a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> tag, ExifIfd ifd, ExifDataType t)</td></tr>
<tr class="memdesc:a90f76ad051d48ed87fafa8aca39f98e2"><td class="mdescLeft"> </td><td class="mdescRight">Return whether the given tag is mandatory or not in the given IFD and data type according to the EXIF specification. <a href="#a90f76ad051d48ed87fafa8aca39f98e2">More...</a><br /></td></tr>
<tr class="separator:a90f76ad051d48ed87fafa8aca39f98e2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a09dab484396dbcd277161df07aa09cf1"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-tag_8h.html#a09dab484396dbcd277161df07aa09cf1">exif_tag_get_name</a> (<a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> tag)</td></tr>
<tr class="separator:a09dab484396dbcd277161df07aa09cf1"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a6530318a3f4c3cb5020d9b55447f073a"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-tag_8h.html#a6530318a3f4c3cb5020d9b55447f073a">exif_tag_get_title</a> (<a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> tag)</td></tr>
<tr class="separator:a6530318a3f4c3cb5020d9b55447f073a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad8cfa4d37ec75985019e00e2e7a59556"><td class="memItemLeft" align="right" valign="top">const char * </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-tag_8h.html#ad8cfa4d37ec75985019e00e2e7a59556">exif_tag_get_description</a> (<a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> tag)</td></tr>
<tr class="separator:ad8cfa4d37ec75985019e00e2e7a59556"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a35c6bdd6ce22b7186fbb8069b9f18bb9"><td class="memItemLeft" align="right" valign="top"><a id="a35c6bdd6ce22b7186fbb8069b9f18bb9"></a>
<a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> </td><td class="memItemRight" valign="bottom"><b>exif_tag_table_get_tag</b> (unsigned int n)</td></tr>
<tr class="separator:a35c6bdd6ce22b7186fbb8069b9f18bb9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4851c46ef1b36c19ad036aa5c8cec12e"><td class="memItemLeft" align="right" valign="top"><a id="a4851c46ef1b36c19ad036aa5c8cec12e"></a>
const char * </td><td class="memItemRight" valign="bottom"><b>exif_tag_table_get_name</b> (unsigned int n)</td></tr>
<tr class="separator:a4851c46ef1b36c19ad036aa5c8cec12e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a87563ee64809f5f0deb4d780098508c1"><td class="memItemLeft" align="right" valign="top"><a id="a87563ee64809f5f0deb4d780098508c1"></a>
unsigned int </td><td class="memItemRight" valign="bottom"><a class="el" href="exif-tag_8h.html#a87563ee64809f5f0deb4d780098508c1">exif_tag_table_count</a> (void)</td></tr>
<tr class="memdesc:a87563ee64809f5f0deb4d780098508c1"><td class="mdescLeft"> </td><td class="mdescRight">Return the number of entries in the EXIF tag table, including the terminating NULL entry. <br /></td></tr>
<tr class="separator:a87563ee64809f5f0deb4d780098508c1"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Handling EXIF tags. </p>
</div><h2 class="groupheader">Macro Definition Documentation</h2>
<a id="a237d74c6aad78ef755d5d4c2ecdd3f3d"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a237d74c6aad78ef755d5d4c2ecdd3f3d">◆ </a></span>EXIF_TAG_UNKNOWN_C4A5</h2>
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<td class="memname">#define EXIF_TAG_UNKNOWN_C4A5   EXIF_TAG_PRINT_IMAGE_MATCHING</td>
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<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000005">Deprecated:</a></b></dt><dd>Use EXIF_TAG_PRINT_IMAGE_MATCHING instead.</dd></dl>
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</div>
<h2 class="groupheader">Enumeration Type Documentation</h2>
<a id="aab34677f82c1f5f17df13e4912659ddb"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aab34677f82c1f5f17df13e4912659ddb">◆ </a></span>ExifSupportLevel</h2>
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<td class="memname">enum <a class="el" href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddb">ExifSupportLevel</a></td>
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<p>What level of support a tag enjoys in the EXIF standard. </p>
<table class="fieldtable">
<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="aab34677f82c1f5f17df13e4912659ddba12087c37442e85647656215206117419"></a>EXIF_SUPPORT_LEVEL_UNKNOWN </td><td class="fielddoc"><p>The meaning of this tag is unknown. </p>
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<tr><td class="fieldname"><a id="aab34677f82c1f5f17df13e4912659ddba51dbe231f8df9b73d8e3dea5d8ccc1d2"></a>EXIF_SUPPORT_LEVEL_NOT_RECORDED </td><td class="fielddoc"><p>This tag is not allowed in the given IFD. </p>
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<tr><td class="fieldname"><a id="aab34677f82c1f5f17df13e4912659ddbaddc3006a2f625757fd9ad5be91e4ca40"></a>EXIF_SUPPORT_LEVEL_MANDATORY </td><td class="fielddoc"><p>This tag is mandatory in the given IFD. </p>
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<tr><td class="fieldname"><a id="aab34677f82c1f5f17df13e4912659ddba223d4b5f60d18a5b37871844bd06728d"></a>EXIF_SUPPORT_LEVEL_OPTIONAL </td><td class="fielddoc"><p>This tag is optional in the given IFD. </p>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a79ec377467cf682ecd46bcd6fb8d73ac">◆ </a></span>exif_tag_from_name()</h2>
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<td class="memname"><a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> exif_tag_from_name </td>
<td>(</td>
<td class="paramtype">const char * </td>
<td class="paramname"><em>name</em></td><td>)</td>
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</div><div class="memdoc">
<p>Return the tag ID given its unique textual name. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">name</td><td>tag name </td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>tag ID, or 0 if tag not found </dd></dl>
<dl class="section note"><dt>Note</dt><dd>The tag not found value cannot be distinguished from a legitimate tag number 0. </dd></dl>
<p class="reference">References <a class="el" href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddba51dbe231f8df9b73d8e3dea5d8ccc1d2">EXIF_SUPPORT_LEVEL_NOT_RECORDED</a>, and <a class="el" href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddba12087c37442e85647656215206117419">EXIF_SUPPORT_LEVEL_UNKNOWN</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#ad8cfa4d37ec75985019e00e2e7a59556">◆ </a></span>exif_tag_get_description()</h2>
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<td class="memname">const char* exif_tag_get_description </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> </td>
<td class="paramname"><em>tag</em></td><td>)</td>
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<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000004">Deprecated:</a></b></dt><dd>Use <a class="el" href="exif-tag_8h.html#afd8e9f0aaadbd22fa007f58789279d9c" title="Return a verbose textual description of the given tag when found in the given IFD. ">exif_tag_get_description_in_ifd</a> instead </dd></dl>
<p class="reference">References <a class="el" href="exif-tag_8h.html#afd8e9f0aaadbd22fa007f58789279d9c">exif_tag_get_description_in_ifd()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#afd8e9f0aaadbd22fa007f58789279d9c">◆ </a></span>exif_tag_get_description_in_ifd()</h2>
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<td class="memname">const char* exif_tag_get_description_in_ifd </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> </td>
<td class="paramname"><em>tag</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">ExifIfd </td>
<td class="paramname"><em>ifd</em> </td>
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<p>Return a verbose textual description of the given tag when found in the given IFD. </p>
<p>The description is a verbose, localized description of the tag.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">tag</td><td>EXIF tag </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">ifd</td><td>IFD </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>textual description of the tag, or NULL if the tag is unknown </dd></dl>
<p class="reference">Referenced by <a class="el" href="exif-tag_8h.html#ad8cfa4d37ec75985019e00e2e7a59556">exif_tag_get_description()</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a09dab484396dbcd277161df07aa09cf1">◆ </a></span>exif_tag_get_name()</h2>
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<td class="memname">const char* exif_tag_get_name </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> </td>
<td class="paramname"><em>tag</em></td><td>)</td>
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<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000002">Deprecated:</a></b></dt><dd>Use <a class="el" href="exif-tag_8h.html#a82b5a88d44d27d432afb5a1db74268b0" title="Return a textual name of the given tag when found in the given IFD. ">exif_tag_get_name_in_ifd</a> instead </dd></dl>
<p class="reference">References <a class="el" href="exif-tag_8h.html#a82b5a88d44d27d432afb5a1db74268b0">exif_tag_get_name_in_ifd()</a>.</p>
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<a id="a82b5a88d44d27d432afb5a1db74268b0"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a82b5a88d44d27d432afb5a1db74268b0">◆ </a></span>exif_tag_get_name_in_ifd()</h2>
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<td class="memname">const char* exif_tag_get_name_in_ifd </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> </td>
<td class="paramname"><em>tag</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">ExifIfd </td>
<td class="paramname"><em>ifd</em> </td>
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<td></td>
<td>)</td>
<td></td><td></td>
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<p>Return a textual name of the given tag when found in the given IFD. </p>
<p>The name is a short, unique, non-localized text string containing only US-ASCII alphanumeric characters.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">tag</td><td>EXIF tag </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">ifd</td><td>IFD </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>textual name of the tag, or NULL if the tag is unknown </dd></dl>
<p class="reference">Referenced by <a class="el" href="exif-entry_8h.html#a6d607d079472d7f5eed040c8f081406a">exif_entry_dump()</a>, and <a class="el" href="exif-tag_8h.html#a09dab484396dbcd277161df07aa09cf1">exif_tag_get_name()</a>.</p>
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<a id="a90f76ad051d48ed87fafa8aca39f98e2"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a90f76ad051d48ed87fafa8aca39f98e2">◆ </a></span>exif_tag_get_support_level_in_ifd()</h2>
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<td class="memname"><a class="el" href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddb">ExifSupportLevel</a> exif_tag_get_support_level_in_ifd </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> </td>
<td class="paramname"><em>tag</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">ExifIfd </td>
<td class="paramname"><em>ifd</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">ExifDataType </td>
<td class="paramname"><em>t</em> </td>
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<td></td>
<td>)</td>
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<p>Return whether the given tag is mandatory or not in the given IFD and data type according to the EXIF specification. </p>
<p>If the IFD given is EXIF_IFD_COUNT, the result is EXIF_SUPPORT_LEVEL_UNKNOWN. If the data type is EXIF_DATA_TYPE_UNKNOWN, the result is EXIF_SUPPORT_LEVEL_UNKNOWN unless the support level is the same for all data types.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">tag</td><td>EXIF tag </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">ifd</td><td>IFD or EXIF_IFD_COUNT </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">t</td><td>data type or EXIF_DATA_TYPE_UNKNOWN </td></tr>
</table>
</dd>
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<dl class="section return"><dt>Returns</dt><dd>the level of support for this tag </dd></dl>
<p class="reference">References <a class="el" href="exif-tag_8h.html#aab34677f82c1f5f17df13e4912659ddba12087c37442e85647656215206117419">EXIF_SUPPORT_LEVEL_UNKNOWN</a>.</p>
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<a id="a6530318a3f4c3cb5020d9b55447f073a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#a6530318a3f4c3cb5020d9b55447f073a">◆ </a></span>exif_tag_get_title()</h2>
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<td class="memname">const char* exif_tag_get_title </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> </td>
<td class="paramname"><em>tag</em></td><td>)</td>
<td></td>
</tr>
</table>
</div><div class="memdoc">
<dl class="deprecated"><dt><b><a class="el" href="deprecated.html#_deprecated000003">Deprecated:</a></b></dt><dd>Use <a class="el" href="exif-tag_8h.html#aa305689da4ceb3e86692377393dcc142" title="Return a textual title of the given tag when found in the given IFD. ">exif_tag_get_title_in_ifd</a> instead </dd></dl>
<p class="reference">References <a class="el" href="exif-tag_8h.html#aa305689da4ceb3e86692377393dcc142">exif_tag_get_title_in_ifd()</a>.</p>
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<a id="aa305689da4ceb3e86692377393dcc142"></a>
<h2 class="memtitle"><span class="permalink"><a href="#aa305689da4ceb3e86692377393dcc142">◆ </a></span>exif_tag_get_title_in_ifd()</h2>
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<td class="memname">const char* exif_tag_get_title_in_ifd </td>
<td>(</td>
<td class="paramtype"><a class="el" href="exif-tag_8h.html#a1a0ded93d47585f6889eb546915d0f41">ExifTag</a> </td>
<td class="paramname"><em>tag</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">ExifIfd </td>
<td class="paramname"><em>ifd</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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</div><div class="memdoc">
<p>Return a textual title of the given tag when found in the given IFD. </p>
<p>The title is a short, localized description of the tag.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">tag</td><td>EXIF tag </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">ifd</td><td>IFD </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>textual title of the tag, or NULL if the tag is unknown </dd></dl>
<p class="reference">Referenced by <a class="el" href="exif-tag_8h.html#a6530318a3f4c3cb5020d9b55447f073a">exif_tag_get_title()</a>.</p>
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