nPre             37551 ext/sqlite3/libsqlite/sqlite3.c   int nPre = sqlite3Strlen30(SQLITE_TEMP_FILE_PREFIX);
nPre             37575 ext/sqlite3/libsqlite/sqlite3.c   nDir = nMax - (nPre + 15);
nPre             37750 ext/sqlite3/libsqlite/sqlite3.c   if( (nLen + nPre + 17) > nBuf ){