How to show function prototype in Emacs?

StackOverflow https://stackoverflow.com/questions/1205666

  •  05-07-2019
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Question

While in C-mode I can jump to a function using M-. on the function name....is there a way i can simply display the function prototype? (preferably as a tooltip or so) I often struggle to remember the exact order and types required by a given function.

Was it helpful?

Solution

c-eldoc-mode is a mode that is not as heavyweight as CEDET that will do precisely what you want.

OTHER TIPS

CEDET (there are rumors that it is finally going to become part of Emacs starting with 23.2) is your friend. After installation, look up semantic-ia-show-summary.

CEDET package provide function semantic-ia-show-summary that can show prototype for function/variable under point

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