Can we load and unload the files in the run time?

Can we load and unload the files in the run time?
For example there are four files named "test1.h & test1.c" and another set "test2.h & test2.c" (I attached them as attachment to this post).
test1.h contains code:
int variable; //variable declared as integer
test1.c contains code:
variable = 1; //variable assigned a value
test1.h contains code:
char *variable; //variable declared as string
test1.c contains code:
variable = "EXAMPLE"; //variable assigned a string
So here, in this case can I dynamically load / unload the first & second group of files so that the same variable name "variable" can be used both as integer and string? And if yes, how is that to be done?
Solved!
Go to Solution.
Attachments:
test.zip ‏1 KB

What do you mean by "dynamically"?
If you want to have a variable that either is an int or a char in the same program run, I'm afraid your only option is to define it as a variant and assign from time to time the proper data type in the variant according to some condition. Next, every time you access the variable you must firstly check which data type is stored in it, next access it in the proper way.
If on the other hand your option or to have a run in which the variable is an int, next you stop the program and in a following run it is a char, you may have it by using some appropriade preprocessor clause:
#ifdef  CHAR_TYPE
#include "test1.h";        // variable defined as a char
#else
#include "test2.h";        // variable defined as int
#endif
Next, every time you want to access the variable you must proceed in the same vay:
#ifdef  CHAR_TYPE
  variable = "string";
#else
  variable = 1;
#endif
Does it worth the effort?
Additionally, keep in mind that this "dynamical" approach can work only in the IDE, where you can properly #define your CHAR_TYPE or not depending on your wishes: when you compile the program, it will have only one #include depending on the definition of the macro.
Proud to use LW/CVI from 3.1 on.
My contributions to the Developer Zone Community
If I have helped you, why not giving me a kudos?

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    I am currently active on.. MainStream Preppers
    Rayner's Ridge is under construction

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