- with-alloc x fprocedure
- with-buffer-stream f buffer size modeprocedure
- with-c-string str fprocedure
- with-file-stream f filename modeprocedure
- with-array elements element-size fprocedure
- with-c-pointers f vprocedure
- with-vector->c-array f set-element element-size vprocedure
Perform many of the operations above automatically cleaning up once the procedure returns.