sqlite3_vfs_unregister 5783 sqlite3/libsqlite/sqlite3.c SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs*);
sqlite3_vfs_unregister 87745 sqlite3/libsqlite/sqlite3.c   sqlite3_vfs_unregister,
sqlite3_vfs_unregister 5236 sqlite3/libsqlite/sqlite3.h SQLITE_API int sqlite3_vfs_unregister(sqlite3_vfs*);