PGHDR_TO_EXTRA    212 ext/pdo_sqlite/sqlite/src/pager.c #define PGHDR_TO_EXTRA(G,P) ((void*)&((char*)(&(G)[1]))[(P)->pageSize])
PGHDR_TO_EXTRA    136 ext/sqlite/libsqlite/src/pager.c #define PGHDR_TO_EXTRA(P) ((void*)&((char*)(&(P)[1]))[SQLITE_PAGE_SIZE])