Error directive : error « Preprocessor « C Tutorial

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C Tutorial » Preprocessor » error

12.10.1.Error directive

specify an error message

//#define USA 1

//#define EUP 1

#include <stdio.h>





#if (!defined (USA) || !defined (EUP))

   #error ERROR: NO_CURRENCY rate is specified.

#endif



main()

{

    int rs;

    rs = 10;

    printf ("%d\n", rs);

}

ERRORDIRECTIVE0.c:8:5: error: #error ERROR: NO_CURRENCY rate is specified.

12.10.error
	12.10.1.	Error directive

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