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| Chapter 2 UNIX Commands |

## cflow

    cflow [options] files

Produce an outline (or flowchart) of external function calls for the C, lex, yacc, assembler, or object `files`. cflow also accepts the cc options -D, -I, and -U.

### Options

-d`n`

  Stop outlining when nesting level `n` is reached.

-i_

  Include functions whose names begin with `_`.

-ix

  Include external and static data symbols.

-r

  Invert the listing; show the callers of each function and sort in lexographical order by callee.

Reference: cdc |  | Reference: chgrp