【单选题】以下程序的运行结果是 char st[ ][20] = {"I","Love", "You"}, *p; p = (char *)st; printf("%d\n", strlen(p + 20));
【单选题】以下程序的运行结果是 char p[20] = {'a','b','c','d'}; char q[ ] = "abc", r[ ] ="abcde"; strcpy(p + strlen(q), r); strcat(p, q); printf("%d,%d\n", sizeof(p),strlen(p));