Compilare: main.c: In function 'pop': main.c:87:3: warning: 'return' with no value, in function returning non-void [-Wreturn-type] 87 | return; | ^~~~~~ main.c:84:5: note: declared here 84 | int pop(listNode** listStart) | ^~~ main.c: In function 'vecin': main.c:100:1: warning: control reaches end of non-void function [-Wreturn-type] 100 | } | ^