#define, #ifdef #else example : if def « Macro Preprocessor « C / ANSI-C

1. C / ANSI-C
2. Macro Preprocessor
3. if def

#define, #ifdef #else example

#include <stdio.h>

#define TED 10

int main(void)
{
#ifdef TED
  printf("Hi Ted\n");
#else
  printf("Hi anyone\n");
#endif
#ifndef RALPH
  printf("RALPH not defined\n");
#endif

  return 0;
}

           
       

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