predprocessor

#include <stdio.h>

#define NUM 42
#define PI 3.14
#define MYINT int
#define SUM(x,y) ((x)+ (y))
#define MAX(a,b) ((a) > (b) ? (a) : (b))
#define MIN(a,b) ((a) < (b) ? (a) : (b))
#define FORI(a,b,s) for(int i = a; i <= b; i+=s)

int main(){
    MYINT a = SUM(5,10);
    int b = MAX(a, 10);
    int c = MIN(3, -12);
    printf("c= %d", c);
    printf("a= %d, = %d\n", a, b);
    FORI(0, 100, 5){
        printf("%d\n", i);
    }
    return 0;
}