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Asked: 2026-06-10T00:30:09+00:00

I am using Keil. I have following files ‘Driver.h’ and ‘Driver.c’. Driver.h extern static

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I am using Keil. I have following files ‘Driver.h’ and ‘Driver.c’.

Driver.h

extern static int Status[5];

I know that above statement is wrong. Meaning of static changes when it is declared globally. But still,
I want to declare a variable which is an array. It should be usable by another file and it should have scope in which value should not changed unless we change it.

Driver.c

int Status[5]={0x00,0x00,0x00,0x00,0x00};

The error message is shown below.

error C28:more than one storage class

Can you please help me?

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1 Answer

  1. Editorial Team

    Remove the static, to declare an externally located array. Then make sure that exactly one of the C files in the project actually define it, using int Status[5];.

    Not sure what you mean by “it should have scope in which value should not changed unless we change it”, of course it won’t change unless you change it … It will be global, visible from all modules and functions in the program.

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