Answer / karthik

linkage error occurs when the library files included in
program are not present in default directory you added while
installing compiler.. set environment settings and change
directory.... you will not get linkage errors..

Answer / naresh

main()
{
extern int iExtern;
iExtern = 20;
printf(“%d”,iExtern);
}
Why do we get linkage error for the above code

Answer / rajesh

Linkage error occurs when the linker fails to resolve all
the symbols during the linking process. This can happen if
the linker is not able to find any definition for an extern
declaration in one .C file by the time of linking.

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How do I initialize a pointer to a function?

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