zVfsName         6223 ext/sqlite3/libsqlite/sqlite3.c SQLITE_API sqlite3_vfs *SQLITE_STDCALL sqlite3_vfs_find(const char *zVfsName);
zVfsName         6016 ext/sqlite3/libsqlite/sqlite3.h SQLITE_API sqlite3_vfs *SQLITE_STDCALL sqlite3_vfs_find(const char *zVfsName);