/* e_15_3.c:    #ifdef, #ifndef syntax errors.  */

/* 15.3:    Not an identifier.  */

#ifdef  "string"

#endif

#ifdef  123

#endif

/* 15.4:    Excessive token sequence.   */

#ifdef  MACRO   Junk

#endif

/* 15.5:    No argument.    */

#ifndef

#endif

main( void)

{

    return  0;

}