ifelse : ifelse « Preprocessor « C Tutorial

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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

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