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/**
  Metadata models supported by FreeImage
*/
//FREE_IMAGE_MDMODEL
#define FIMD_NODATA          -1
#define FIMD_COMMENTS        0   // single comment or keywords
#define FIMD_EXIF_MAIN       1   // Exif-TIFF metadata
#define FIMD_EXIF_EXIF       2   // Exif-specific metadata
#define FIMD_EXIF_GPS        3   // Exif GPS metadata
#define FIMD_EXIF_MAKERNOTE  4   // Exif maker note metadata
#define FIMD_EXIF_INTEROP    5   // Exif interoperability metadata
#define FIMD_IPTC            6   // IPTC/NAA metadata
#define FIMD_XMP             7   // Abobe XMP metadata
#define FIMD_GEOTIFF         8   // GeoTIFF metadata
#define FIMD_ANIMATION       9   // Animation metadata
#define FIMD_CUSTOM          10  // Used to attach other metadata types to a dib

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/** 
  Handle to a metadata model 
*/ 
FI_STRUCT (FIMETADATA) { void *data; }; 
 
/** 
  Handle to a FreeImage tag 
*/ 
FI_STRUCT (FITAG) { void *data; }; 

// Metadata routines

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/* DLL_API FIMETADATA *DLL_CALLCONV FreeImage_FindFirstMetadata( ...)  */