摘要: task4.c #include <stdio.h> int main() { char ch; int cnt=0; FILE *fp; fp=fopen("data4.txt","r"); if(fp==NULL){ printf("fail to open\n"); return 1; } w 阅读全文
posted @ 2023-12-17 12:44 明耀66 阅读(22) 评论(0) 推荐(0)