Question

究竟错在哪了?#includemain(){\x05FILE *p,*q;\x05int i,c[10]={1,2,3,

Answer 1

问题出在

q=fopen("2.c","wb");

fseek(p,0,2);

fseek(p,-1,1);

while(ftell(p)>=0)

这几句.

fseek会把文件结束符清除掉,请看linux man page里面的一句话：

A successful call to the fseek() function clears the end-of-file indicator for

the stream and undoes any effects of the ungetc(3) function on the same stream.

所以你的while会无限循环了.