Sequence point

#include <stdio.h>

typedef struct{
    int a;
    int b;
}Thing;

int f(char *s)
{
    printf("%s ", s);
    return 0;
}

int main(void) {
    Thing t = {
        .b = f("first"),
        .a = f("second"),
    };
    
    return 0;
}