C Macro Program

#include <stdio.h>

#define subm(a,b) a-b
#define cubem(a) a*a*a
#define minm(a,b) (a<=b)? a:b
#define oddm(a) (a%2==1)? 1:0


int main()
{


    int subf(int a, int b)
    {
        return a - b;
    }

    int cubef(int a)
    {
        return a * a * a;
    }

    int minf(int a, int b)
    {
        if (a <= b) {   return a;  }  else {   return b;  }
    }

    int oddf(int a)
    {
        if (a % 2 == 1) {   return 1;  }  else {   return 0;  }

    }

    int a,b;

    a = 5, b = 7;  printf("subf(a, b) = %d", subf(a,b));  printf("\nsubm(a, b) = %d", subm(a, b)); printf("\nsubf(a++, b--) = %d", subf(a++, b--));  a = 5; b = 7;  // reset a,b values  subm(a++, b--);

    a = 5; b = 7;  printf("\ncubef(a) = %d", cubef(a));  printf("\ncubem(a) = %d", cubem(a));  printf("\ncubef(--a) = %d", cubef(--a));  a = 5; b = 7;  printf("\ncubem(--a) = %d", cubem(--a));

    a = 5; b = 7;  printf("\nminf(a, b) = %d", minf(a, b));  printf("\nminm(a, b) = %d", minm(a, b));  printf("\nminf(--a, --b) = %d", minf(--a, --b));  a = 5; b = 7;  printf("\nminm(--a, --b) = %d", minm(--a, --b));

    a = 5; b = 7;  printf("\noddf(a) = %d", oddf(a));  printf("\noddm(a) = %d",oddm(a));  printf("\noddf(a++) = %d", oddf(a++));  a = 5; b = 7;  printf("\noddm(a++) = %d",oddm(a++));
}