if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \
YY_FATAL_ERROR( "read() in flex scanner failed" );
#else
if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \
YY_FATAL_ERROR( "read() in flex scanner failed" );
#else