What grep command will include the current function name in its output?

Question

I run diff with the -p option so the output will include the name of the function where each change occurred. Is there an analogous option for

Answer 1

Assuming you are searching for foobar:

grep -e "^\w.*[(]" -e foobar *.h *.cpp | grep -B 1 foobar

greps for all functions and all foobar, then greps for just foobar and the preceding lines - which will be only foobars and the containing functions.

tested on cygwin on windows version