13_13.cpp

来自「C程序参考,简单易懂,是初学者不可少的参考资料」· C++ 代码 · 共 16 行

#include<stdio.h>
#include<process.h>
void main()
{  FILE *fp;char ch;
   if((fp=fopen("d:\\a1.txt","w+"))==NULL)
   {   printf("Cann't create File d:\\a1.txt");
       exit(0);
   }
   while((ch=getchar())!='\n')
	fputc(ch,fp);
   rewind(fp);
   while(!feof(fp))
putchar(fgetc(fp));
   fclose(fp);
}