63   unsigned char *aData;           /* content of the file */  member
160   if( p->bFreeOnClose ) sqlite3_free(p->aData);  in memClose()
174   memcpy(zBuf, p->aData+iOfst, iAmt);  in memRead()
190     if( iOfst>p->sz ) memset(p->aData+p->sz, 0, iOfst-p->sz);  in memWrite()
193   memcpy(p->aData+iOfst, z, iAmt);  in memWrite()
204     memset(p->aData+p->sz, 0, size-p->sz);  in memTruncate()
255     *(char**)pArg = sqlite3_mprintf("mem(%p,%lld)", p->aData, p->sz);  in memFileControl()
312   *pp = (void*)(p->aData + iOfst);  in memFetch()
334   p->aData = (unsigned char*)sqlite3_uri_int64(zName,"ptr",0);  in memOpen()
335   if( p->aData==0 ) return SQLITE_CANTOPEN;  in memOpen()
524   fwrite(p->aData, 1, (size_t)p->sz, out);  in memvfsToFileFunc()