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#include <stdio.h>
int main(int argc,char *argv[])
{
FILE *in=fopen(argv[1],"r");
FILE *o1=fopen(argv[2],"w");
FILE *o2=fopen(argv[3],"w");
char buf[2560];
unsigned track;
if (!in) return -1;
if (!o1) return -1;
if (!o2) return -1;
for (track=0;track<80;++track) {
fread(buf,sizeof(buf),1,in);
fwrite(buf,sizeof(buf),1,o1);
fread(buf,sizeof(buf),1,in);
fwrite(buf,sizeof(buf),1,o2);
}
fclose(o2);
fclose(o1);
fclose(in);
return 0;
}
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