seekAndWriteFd   28744 ext/sqlite3/libsqlite/sqlite3.c   return seekAndWriteFd(id->h, offset, pBuf, cnt, &id->lastErrno);
seekAndWriteFd   29925 ext/sqlite3/libsqlite/sqlite3.c             if( seekAndWriteFd(pShmNode->h, iPg*pgsz + pgsz-1, "", 1, 0)!=1 ){