Question

C++程序出现一堆屯字，程序如下，是将一个文本链接到另一个后面。

#include "iostream.h"
#include "stdio.h"
#include "stdlib.h"
void main()
{
FILE *t,*s;
char ch;
if((s=fopen("t1.txt","a+"))==NULL)
{
cout<<"can't open file\n";
exit(1);
}
fputs("abcd",s);
if((t=fopen("t2.txt","a+"))==NULL)
{
cout<<"can't open file\n";
exit(1);
}
fputs("cdef",t);
while((ch=fgetc(s))!=EOF)
{
fputc(ch,t);
}
fclose(t),fclose(s);
}

Answer 1

s指针已经指到文件最后了，你能读到什么？在while((ch=fgetc(s))!=EOF)前加一句rewind(s)，将文件指针移到开头再fgetc试试……