28     char* result;  in expect()  local
45     result = Evaluate(&state, e);  in expect()
48     if (result == NULL && expected != NULL) {  in expect()
54     if (result == NULL && expected == NULL) {  in expect()
58     if (strcmp(result, expected) != 0) {  in expect()
60                expr_str, expected, result);  in expect()
62         free(result);  in expect()
66     free(result);  in expect()
204         char* result = Evaluate(&state, root);  in main()  local
205         if (result == NULL) {  in main()
210             printf("result is [%s]\n", result);  in main()