编写函数disp(char *s , char *output , int n),实现从s指向的字符串中...答:(1){ printf("输入字符串:");scanf("%s", src);if (strlen(src) >= start_pos)break;else printf("字符串不够长, 需要至少 %d 个字符\n", start_pos);} memset(out, 0, out_length + 1);disp(src + start_pos - 1, out, out_length);printf("%s", out);return 0;} ...