下面程序段的输出结果是 char *p1 = ”123”, *p2 = ”ABC”, str[50] = “xyz”; strcpy(str + 2, strcat(p1, p2)); printr(“%s\n”, str); xyz123ABC z123ABC xy123ABC 出错
char *p1 = ”123”, *p2 = ”ABC”, str[50] = “xyz”; strcpy(str + 2, strcat(p1, p2)); printr(“%s\n”, str);
xyz123ABC
z123ABC
xy123ABC
出错
