Sams Teach Yourself C in 21 Days

6: * different compilers. *

7: *=======================================================*/

8: #include <stdio.h>

9: #ifdef _WINDOWS

10:

11: #define STRING “DOING A WINDOWS PROGRAM!\n”

12:

13: #else

14:

15: #define STRING “NOT DOING A WINDOWS PROGRAM\n”

16:

17: #endif

18:

19: int main(void)

20: {

21: printf( “\n\n”) ;

22: printf( STRING );

23:

24: #ifdef _MSC_VER

25:

26: printf( “\n\nUsing a Microsoft compiler!” );

27: printf( “\n Your Compiler version is %s\n”, _MSC_VER );

28:

29: #endif

30:

31: #ifdef __TURBOC__

32:

33: printf( “\n\nUsing the Turbo C compiler!” );

34: printf( “\n Your compiler version is %x\n”, __TURBOC__ );

35:

36: #endif

37:

38: #ifdef __BORLANDC__

39:

40: printf( “\n\nUsing a Borland compiler!\n” );

41:

42: #endif

43:

44: return(0);

45: }

Here’s the output you’ll see when you run the program using a Turbo C for DOS

3.0 compiler:

NOT DOING A WINDOWS PROGRAM

Using the Turbo C compiler!

Your compiler version is 300

818 Appendix D

LISTINGD.7 continued

OUTPUT

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