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fp=fopen();
rewind(fp);
while(!isdigit(c=getc(fp));
char tmp[];
while(isdigit(c))
{
  temp[i]=c;
 c=getc(fp);
}
ftoa();

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char tmp[];
while(isdigit(c))
{
  temp[i]=c;
 c=getc(fp);
}
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