Diretiva #define

#include <stdio.h>
#define PI 3.1416
#define VERSAO "2.02"
#define PRINT(i) printf("O valor de Pi eh: %f \n", i)
#define PRINT1(z) printf("Programa versao %s\n", z)

int main ()
{
PRINT1(VERSAO);
PRINT(PI);
return 0;
}