#include int main (void) { int nr1; int nr2; char [8] todo; int result; printf("nr1 pls\n"); scanf("%d", &nr1); printf("nr2 pls\n"); scanf("%d", &nr2); printf("What do u want to do? (add)\n"); scanf("%s", &todo); if (todo == add) { result = nr1 + nr2; printf("%d\n", result); } } c: In function ‘main’: c:7: error: expected identifier or ‘(’ before ‘[’ token c:16: error: ‘todo’ undeclared (first use in this function) c:16: error: (Each undeclared identifier is reported only once c:16: error: for each function it appears in.) c:18: error: ‘add’ undeclared (first use in this function)