struct person p;
strcpy(p.firstName, "Max");
strcpy(p.lastName, "Mustermann");
p.age = 98;
struct address a;
a.p = p;
strcpy(a.city,"Musterfurt");
a.postalCode = 12345;
a.p.age = 89;
printf("%s %s, (Alter %d)%s%d %s",
a.p.firstName,
a.p.lastName,
a.p.age,
" wohnhaft in ",
a.postalCode,
a.city);