| Data Fields | |
| size_t | length | 
| size_t | extent | 
| size_t | quantum | 
| MagickBooleanType | mapped | 
| MagickBooleanType | eof | 
| MagickOffsetType | offset | 
| MagickSizeType | size | 
| MagickBooleanType | exempt | 
| MagickBooleanType | status | 
| MagickBooleanType | temporary | 
| StreamType | type | 
| FILE * | file | 
| StreamHandler | stream | 
| unsigned char * | data | 
| MagickBooleanType | debug | 
| SemaphoreInfo * | semaphore | 
| long | reference_count | 
| unsigned long | signature | 
| size_t _BlobInfo::length | 
| size_t _BlobInfo::extent | 
| size_t _BlobInfo::quantum | 
| FILE* _BlobInfo::file | 
| unsigned char* _BlobInfo::data | 
| unsigned long _BlobInfo::signature | 
 1.5.4
 1.5.4