Error:storage class specified for parameter problem

When compiling the program today, the error: storage class specified for parameter

is not found in the current line search. It is traced back and found to be the new header file, the last function. The statement lacks a ";“ caused
storage class specified for parameter

The following code shows an example of this alarm:
int func1()int main(){ return(0 );}

If the function of func1() is declared in another file, it is much more troublesome to check. However, there can be experience with such errors in the future, checking all newly included files after the error occurs.