{}
#include <stdio.h>
#define FIELDS(MACRO) \
MACRO(one) \
MACRO(two) \
MACRO(three)
#define DEFINE_FIELD(name) int name;
struct Struct {
FIELDS(DEFINE_FIELD)
};
#define PRINT_FIELD(name) printf(#name ": %d\n", s.name);
void print(struct Struct s) {
FIELDS(PRINT_FIELD)
}
int main() {
struct Struct s = {1, 2, 3};
print(s);
return 0;
}