/* ECP: FILEname=fig5_8.c */
/* 1*/   #define Square( X ) ( ( X ) * ( X ) )

/* 2*/   double
/* 3*/   ( Square )( double X )    /* Parentheses Are Required */
/* 4*/   {
/* 5*/       return X * X;
/* 6*/   }

/* 7*/   main( void )
/* 8*/   {
/* 9*/       double A = 5.0;

/*10*/       printf( "%f\n", Square( A ) );      /* Macro Call */
/*11*/       printf( "%f\n", ( Square )( A++ ) );  /* Function Call */
/*12*/       return 0;
/*13*/   }