/in/foo.c: In function 'fibonacci':
/in/foo.c:26:24: error: expected ';' before 'for'
   26 |     printf("%d\n", sum)
      |                        ^
      |                        ;
   27 |     for (int i = 0; i < div3Cnt; i++) {
      |     ~~~                 
/in/foo.c:5:9: warning: variable 'div3' set but not used [-Wunused-but-set-variable]
    5 |     int div3[100];
      |         ^~~~