lib/sqlite/sqlite3.h

688   int (*xFileControl)(sqlite3_file*, int op, void *pArg);
711 ** into an integer that the pArg argument points to. This capability
4108 ** ^The fourth argument, pArg, is an application data pointer that is passed
4119 ** ^The collating function callback is invoked with a copy of the pArg
4143 ** with the addition that the xDestroy callback is invoked on pArg when
4164   void *pArg,
4171   void *pArg,
4179   void *pArg,
4376 ** ^The pArg argument is passed through to the callback.
5930 ** method is passed a copy of the sqlite3_pcache_methods.pArg value.)^
6053   void *pArg;