/in/foo.c: In function 'addPolynomials':
/in/foo.c:41:9: error: expected declaration or statement at end of input
         if (poly1->terms[index1].exponent > poly2->terms[index2].exponent) {
         ^~
/in/foo.c:41:9: error: expected declaration or statement at end of input
/in/foo.c:41:9: error: expected declaration or statement at end of input
/in/foo.c:37:33: warning: unused variable 'indexResult' [-Wunused-variable]
     int index1 = 0, index2 = 0, indexResult = 0;
                                 ^~~~~~~~~~~