摘要: 实验四 #include <stdio.h> int main() { char ch; FILE* fp; fp = fopen("data3.txt", "r"); if (fp == NULL) { printf("fail to open file\n"); return 1; } ch = 阅读全文
posted @ 2022-12-27 18:32 珅 阅读(20) 评论(0) 推荐(0)