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int sqlite3_blob_read(sqlite3_blob *, void *z, int n, int iOffset);
This function is used to read data from an open blob-handle into a caller supplied buffer. n bytes of data are copied into buffer z from the open blob, starting at offset iOffset.
On success, SQLITE_OK is returned. Otherwise, an SQLite error code or an extended error code is returned.
See also lists of Objects, Constants, and Functions.