Global variables in Legato framework

Legato Application Framework
1

My main.c file executes a function which is present in another .c file

the functions returns a value which is present in same function file

I want to access this value in main.c through a header file. Do you have any sample example for this? somehow i am not able to takeout the values from another file to main.c

I am connecting both the files over a common header file

2

Are the two files in the same application?

You can put the variable in main.c file, and then other file declares extern variable of the same variable naming

For example: