/* n_13_13.c:   #if expression with macros. */

#include    "defs.h"

#define ZERO_TOKEN

#define MACRO_0         0

#define MACRO_1         1

#define and             &&

#define or              ||

#define not_eq          !=

#define bitor           |

main( void)

{

    fputs( "started\n", stderr);

/* 13.13:   With macros expanding to operators. */

#if     (1 bitor 2) == 3 and 4 not_eq 5 or 0

    /* #if (1 | 2) == 3 && 4 != 5 || 0  */

#else

    fputs(

    "Bad evaluation of macros expanding to operators in #if expression.\n"

            , stderr);

    exit( 1);

#endif

/* 13.14:   With macros expanding to 0 token, nonsence but legal.   */

#if     ZERO_TOKEN MACRO_1 ZERO_TOKEN > ZERO_TOKEN MACRO_0 ZERO_TOKEN

    /* #if 1 > 0    */

#else

    fputs(

    "Bad evaluation of macros expanding to 0 token in #if expression.\n"

            , stderr);

    exit( 1);

#endif

    fputs( "success\n", stderr);

    return  0;

}