char           a = 'a';
wchar_t        b = L'b';
char const    *c = "hello world!";
wchar_t const *d = L"hello world!";
int            e = 5;
long           f = 5l;
long           g = 5L;
unsigned int   h = 5u;
unsigned int   i = 5U;
float          j = .1;
float          k = 1.1;
float          l = 1e-3;
double         m = 1.1l;
double         n = 1.1L;
char           o = a + 5;
wchar_t        p = b + 5;
char           q = c + 5;
wchar_t        r = d + 5;
long           s = e + f;
long           t = e + h;
