A C File using the above header

in myCfile.c:
#include "myHeader.h"   // searches for include files
                        // in include path

char myArray[MAXARRAY] =100;  // allocates array of size 100

char* myString = "someString";

int main(int argc, char** argv)  {
  int result;
#ifdef TEST
  result = add(2,4);
#else
  result = myFunction(FOO,5);
#endif
  return 0;
}