C Tutorial/Preprocessor/ifelif
ifelif
ifelif allows us to take one action for multiple decision entries.
<source lang="cpp">#define USA 1
- define EUP 1
- include <stdio.h>
- if (defined (USA))
#define currency_rate 46
- elif (defined (EUP))
#define currency_rate 100
- else
#define currency_rate 1
- endif
main() {
int rs; rs = 10 * currency_rate; printf ("%d\n", rs);
}</source>
460