c_programming_language/c_modern_approach/Preprocessor/parametrized_macroses.c

#include <stdio.h>
#define MAX(x, y) ((x) > (y) ? (x) : (y))

int main(int argc, char *argv[]) {
  int j, k;
  j = 10;
  k = 20;
  printf("%d", MAX(j, k));
}