ifelse : ifelse « Preprocessor « C Tutorial

Home
C Tutorial
1.Language
2.Data Type
3.String
4.printf scanf
5.Operator
6.Statement
7.Array
8.Function
9.Structure
10.Pointer
11.Memory
12.Preprocessor
13.File
14.Data Structure
15.Search Sort
16.Wide Character String
17.assert.h
18.ctype.h
19.math.h
20.setjmp.h
21.signal.h
22.stdio.h
23.stdlib.h
24.string.h
25.time.h
26.wctype.h
C / ANSI-C
C++
C++ Tutorial
Visual C++ .NET
C Tutorial » Preprocessor » ifelse 
12.7.1.ifelse

Use ifelse to define an action if the condition is not true.

#define USA 1
#define EUP 1

#include <stdio.h>
            

#if (defined (USA))
        #define currency_rate 46
#else
        #define currency_rate 100           
#endif                         

main()
{
    int rs;
    rs = 10 * currency_rate;   
    printf ("%d\n", rs);
}
460
12.7.ifelse
12.7.1.ifelse
www.java2java.com | Contact Us
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.