Is there any difference between following declarations?

  1.  

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Is there any difference between following declarations?

  1.  extern int fun();
  2.  int fun();



View More Related Question

1) What will be the output of the following C code?

 #include <stdio.h>
int main()
{
float f1 = 0.1;
if (f1 == 0.1)
printf("equal\n");
else
printf("not equal\n");
}

2) What will be the output of the following C code?

 #include <stdio.h>
int main()
{
float x = 'a';
printf("%f", x);
return 0;
}

3) Which of the following is not a correct variable type?

4) Size of an int data type is ________ ?

5) The Format Identifier %u is used for?

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