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Home » Language IDEs » C / C++ IDE (CDT) » mutiple definitions error in a C project(when i was running multiple files in a project it showed me multiple main definition error)

mutiple definitions error in a C project [message #1773692]

Tue, 03 October 2017 01:50

Eclipse User

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Re: mutiple definitions error in a C project [message #1773889 is a reply to message #1773692]

Fri, 06 October 2017 03:51

Eclipse User

You can only have one function called "main" per executable.
In fact, ALL function names should be unique.
It seems you have defined main twice in projects basic and basic2.
If you intended multiple executables (say hello in project basic and prime_numbers in project basic) they should be in separate projects.

It's possible to have more than one executable per project but you would have to write your own makefile.

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