/* defs.h   */

#include    <stdio.h>

/* assert(): Enable one of these three. */

/* Note: This source doesn't use #elif directive to test preprocessor which

        can't recognize the directive.  */

#if     1   /* For the translator which can process <assert.h> properly.    */

#include    <assert.h>

#else

#if     0   /* Not to abort on error.   */

#define     assert( exp)    (exp) ? (void)0 : (void) fprintf( stderr,   \

        "Assertion failed: %s, from line %d of file %s\n",  \

        # exp, __LINE__, __FILE__)

#else

#if     0   /* For the translator which can't process <assert.h> or '#'

                operator properly.  */

#define     assert( exp)    (exp) ? 0 : fputs( "Assertion failed\n", stderr)

#endif

#endif

#endif

#ifdef  void

/*

 *  For the older compilers which can't handle prototype declarations.

 * You must append these lines in stdio.h.

 *      #undef  void

 *      #define void

 */

extern int      strcmp();

extern size_t   strlen();

extern void     exit();

#else

extern int      strcmp( const char *, const char *);

extern size_t   strlen( const char *);

extern void     exit( int);

#endif