def eof(fd):
    """Determine if end-of-file is reached for file fd."""
    b = fd.read(1)
    end = len(b) == 0
    if not end:
        curpos = fd.tell()
        fd.seek(curpos - 1)
    return end
def eof(fd):
    """Determine if end-of-file is reached for file fd."""
    b = fd.read(1)
    end = len(b) == 0
    if not end:
        curpos = fd.tell()
        fd.seek(curpos - 1)
    return end
def eof ( fd ) : b = fd . read ( 1 ) end = len ( b ) == 0 if not end : curpos = fd . tell ( ) fd . seek ( curpos - 1 ) return end
Determine if end-of-file is reached for file fd.
Determine if end - of - file is reached for file fd .