lib/sqlite/sqlite3.h

1230 ** The xInit method initializes the memory allocator.  (For example,
1234 ** by xInit.  The pAppData pointer is used as the only parameter to
1235 ** xInit and xShutdown.
1238 ** the xInit method, so the xInit method need not be threadsafe.  The
1248 ** SQLite will never invoke xInit() more than once without an intervening
1258   int (*xInit)(void*);           /* Initialize the memory allocator */
1260   void *pAppData;                /* Argument to xInit() and xShutdown() */
5926 ** [[the xInit() page cache method]]
5927 ** ^(The xInit() method is called once for each effective
5929 ** (usually only once during the lifetime of the process). ^(The xInit()
5931 ** The intent of the xInit() method is to set up global data structures
5933 ** ^(If the xInit() method is NULL, then the
5943 ** ^SQLite automatically serializes calls to the xInit method,
5944 ** so the xInit method need not be threadsafe.  ^The
5949 ** ^SQLite will never invoke xInit() more than once without an intervening
6054   int (*xInit)(void*);