Call of nonfunction

[Roson]

Hello everyone,
I'm currently creating a program. I've created my own header files. I can call most of the functions into the main(). only two of them i cannot. it says call of nonfunction. Does anyone know what this means?

[NoXzema]

It probably means you're calling something that is not a function.

[Roson]

But i'm really sure that there is a function... is there any kind of rules to call a function when called from library?

[AcarX]

You might have a variable sharing the same name with those functions.

[Ericool]

show us a sample at least