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 lexicographical order by callee.